Comparison of e-mail clients

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This article may require cleanup to meet Wikipedia's quality standards. Please improve this article if you can. (January 2009)

The following tables compare general and technical features of a number of e-mail client programs. Please see the individual products articles for further information. This article is not all-inclusive or necessarily up-to-date.

Contents

[edit] General

Basic general information about the clients: creator/company, licence/price etc. Clients listed on a light purple background are no longer in active development.

Client Creator Operating system Cost Software license User Interface
Alpine University of Washington Cross-platform Free Apache License TUI
Balsa gnome.org Linux Free GNU GPL GUI
Becky! Internet Mail Rimarts Windows US$40 proprietary software GUI
BlitzMail Dartmouth College Free BSD GUI
Citadel citadel.org Unix-like Free GNU GPL Web
Claws Mail the Claws Mail team Cross-platform Free GNU GPL GUI
Cone Courier Mail Server developers Unix-like Free GNU GPL TUI
Courier (formerly Calypso) Micro Computer Systems, Inc., continued by Rose City Software Windows Free (as of version 3.5) proprietary software GUI
eM Client E&S Software Windows Free proprietary software GUI
Elm Dave D. Taylor, Sydney Weinstein, Bill Pemberton, Michael Elkins, Kari Hurtta Unix-like Free Elm Mail System GPL TUI
Eudora Qualcomm Windows, Mac OS X Free Future release, Penelope, will be Free/Open Source based on Mozilla Thunderbird GUI
Eureka Email Sean O'Connor Windows Shareware (no time limit), US$20 full version proprietary software GUI
FirstClass Open Text Free proprietary software GUI
GNUMail Ludovic Marcotte and others Free GNU GPL GUI
Gnus Gnus team Cross-platform Free GNU GPL TUI
GroupWise Novell Cross-platform Included with GroupWise mailbox license proprietary software GUI
i.Scribe / InScribe Memecode Windows, Mac OS X, Linux Freeware (i.Scribe), US$20 (InScribe) proprietary software GUI
IBM Lotus Notes Lotus Software / IBM Windows, Mac OS X, Linux US$107, includes 1 yr phone support proprietary software GUI
IncrediMail IncrediMail Ltd. Windows Shareware (no time limit), US$19.99 full version proprietary software GUI
KMail The KMail Team Cross-platform Free, part of KDE GNU GPL GUI
Mail Apple Inc. Mac OS X Part of Mac OS X proprietary software GUI
Mailsmith Stickshift Software, LLC Mac OS X Free proprietary software GUI
Microsoft Entourage Microsoft Mac OS X Part of Microsoft Office for Mac proprietary software GUI
Microsoft Office Outlook Microsoft Windows Part of Microsoft Office, US$109 stand-alone proprietary software GUI
Mozilla Mail & Newsgroups Mozilla Foundation Free, part of Mozilla Application Suite MPL, MPL/GNU GPL/GNU LGPL tri-license GUI
Mozilla Thunderbird Mozilla Foundation Cross-platform Free MPL, MPL/GNU GPL/GNU LGPL tri-license GUI
Mulberry Cyrus Daboo (previously Cyrusoft International, Inc./ISAMET Cross-platform Free (as of version 4.0.5) Apache License GUI
Mutt Michael Elkins Cross-platform Free GNU GPL TUI
Netscape Messenger Netscape Communications Free  ? GUI
Netscape Messenger 9 Netscape Communications Free MPL, MPL/GNU GPL/GNU LGPL tri-license GUI
nmh / MH RAND Corporation Unix-like Free BSD CLI
Novell Evolution Ximian Cross-platform Free GNU GPL GUI
Opera Mail Opera Software Cross-platform Free, Part of Opera proprietary software GUI
Outlook Express Microsoft Windows Free proprietary software GUI
Pegasus Mail David Harris Windows Donationware proprietary software GUI
Pine University of Washington Cross-platform Free Pine License TUI
Pocomail Poco Systems Windows US$40 Proprietary Software GUI
Postbox Postbox, Inc. Windows, Mac OS X free trial (30 days), US$40 Proprietary Software GUI
RoundCube The RoundCube Team Cross-platform Free GNU GPL Web
SeaMonkey Mail & Newsgroups SeaMonkey Council Cross-platform Free, part of SeaMonkey MPL, MPL/GNU GPL/GNU LGPL tri-license GUI
Sylpheed Hiroyuki Yamamoto Cross-platform Free GNU GPL/GNU LGPL GUI
Spicebird Synovel Windows, Linux, BSD Free MPL, MPL/GNU GPL/GNU LGPL tri-license GUI
SquirrelMail The SquirrelMail Project Team Cross-platform Free GNU GPL v2 Web
The Bat! RitLabs Windows US$45 proprietary software GUI
Turnpike Thus PLC (Demon Internet) Windows Free for Demon customers, GB£199 inc. VAT otherwise proprietary software GUI
Windows Live Mail Microsoft Windows Free proprietary software GUI
Windows Mail Microsoft Windows Part of Windows Vista proprietary software GUI
Taroby Advanced Millennium Technologies Pvt. Ltd. Cross-Platform free trial (30 days), US$59 per year proprietary software Web(SaaS)
YAM YAM Open Source Team and contributing authors AmigaOS Free GNU GPL GUI
Zimbra Zimbra Cross-platform Free MPL on server and ZPL (attribution clause) on client GUI
Client Creator Operating System Cost Software license User Interface

[edit] Release history

A brief overview of the release history.

Client First public release First stable release Latest stable release
Date Version Date Version
Alpine November 2006 0.8 December 2007 1.00 2.00  (August 26, 2008; 2 years ago (2008-08-26))
Becky! Internet Mail ? ? ? ? 2.55.00  (13 May 2010; 3 months ago (2010-05-13)[1])
Citadel 1987 ? 1988 1.00 7.72  (February 17, 2010; 6 months ago (2010-02-17))
Claws Mail May 2001 0.4.67 January 2005 1.0.0 3.7.6  (May 1, 2010; 4 months ago (2010-05-01))
Cone May 2003 0.50 May 2003 0.50 0.81  (March 3, 2010; 6 months ago (2010-03-03))
Courier ? ? ? ? 3.5  (June 2004)
Elm ? ? ? ? 2.5.8  (August 18, 2005; 5 years ago (2005-08-18))
Eudora 1988[2] ? 1988[2] ? 7.1 (Windows), 6.2.4 (Mac OS)  (October 11, 2006; 3 years ago (2006-10-11))
Eureka Email November 2002 1.0 November 2002 1.0 2.2  (March 1, 2005; 5 years ago (2005-03-01))
Gnus 1987[3] ? February 1, 1988[3] 2.0 5.13
GroupWise ? ? 1986 1.0 8.0.2  (July 14, 2010; 57 days ago (2010-07-14))
i.Scribe / InScribe 1999 1.00 ? ? 1.89  (December 15, 2007; 2 years ago (2007-12-15))
IBM Lotus Notes 1989 1.0 1989 1.0 8.5.2  (August 24, 2010; 16 days ago (2010-08-24))
KMail October 1998 Alpha February 1999 1.0.17 4.5.1  (31 August 2010; 9 days ago (2010-08-31))[4][5]
Mail September 13, 2000 Public Beta March 24, 2001 1.0 4.3 (1081)  (June 15, 2010; 2 months ago (2010-06-15) (With OSX 10.6.4 Update)
Mailsmith May 8, 1998 1.0 May 8, 1998 1.0 2.2.4  (December 15, 2009; 8 months ago (2009-12-15))
Microsoft Entourage ? ? ? ? 2008 SP2 (12.2.4)  (February 25, 2010; 6 months ago (2010-02-25))
Microsoft Office Outlook 1997 97 1997 97 14.0.4760.1000  (April 15, 2010; 4 months ago (2010-04-15))
Mozilla Mail & Newsgroups December 7, 1998 "Preview" March 19, 1999 M3 discontinued
Mozilla Thunderbird July 28, 2003 0.1 December 7, 2004 1.0 3.1.3  (September 7, 2010; 2 days ago (2010-09-07))
Mulberry September 20, 1996 1.0 September 20, 1996 1.0 4.0.8  (February 21, 2007; 3 years ago (2007-02-21))
Mutt 1995 ? ? ? 1.4.2.3  (June 9, 2007; 3 years ago (2007-06-09))
Netscape Messenger ? ? ? ? discontinued
Netscape Messenger 9 November 15, 2007 9.0a1 discontinued discontinued discontinued
nmh / MH 1979 ? ? ? 1.3  (June 1, 2008; 2 years ago (2008-06-01))
Novell Evolution 11 May 2000 0.0 3 December 2001 1.0 2.30.3  (August 11, 2010; 29 days ago (2010-08-11))
Opera Mail September 1996 2.1b1 December 1996 2.1 10.62 (Build 3500)  (September 9, 2010; 0 days ago (2010-09-09))
Outlook Express 1996 3.0 ? ? 6.0 SP2  (August 25, 2004; 6 years ago (2004-08-25))
Pegasus Mail 1990 ? 1990 ? 4.52  (January 22, 2010; 7 months ago (2010-01-22))
Pine January 15, 1992 2.00 January 15, 1992 2.00 4.64  (September 28, 2005; 4 years ago (2005-09-28))
Pocomail 1999 ? ? ? 4.8 build 4400  (April 6, 2009; 16 months ago (2009-04-06))
SeaMonkey Mail & Newsgroups September 15, 2005 1.0a January 30, 2006 1.0 2.0.7  (September 7, 2010; 2 days ago (2010-09-07))[6]
Sylpheed January 2000 0.1.0 December 2004 1.0.0 3.0.3  (July 8, 2010; 2 months ago (2010-07-08))
The Bat! March 1997 1.0 Beta March 1998 1.00 Build 1310 4.2.36  (April 21, 2010; 4 months ago (2010-04-21))
Turnpike circa 1996 1.0 circa 1996 1.0 6.06  (May 23, 2006; 4 years ago (2006-05-23))
Windows Live Mail ? ? ? ? Wave 3 (Build 14.0.8117.0416)  (May 12, 2010; 3 months ago (2010-05-12))
Windows Mail ? ? ? ? ?
YAM 1995 1.0 1995 1.0 2.6  (February 21, 2010; 6 months ago (2010-02-21))
Zimbra November, 2005 Beta March, 2006 3.5 1.0 RC2 (build 1513)  (March 4, 2009; 17 months ago (2009-03-04))
Client Date Version Date Version Latest stable release
First public release First stable release

[edit] Operating system support

The operating systems on which the clients can run natively (without emulation).

Client Microsoft Windows Mac OS X Linux BSD Unix FreeDOS, DOS Other
Alpine Yes Yes Yes Yes Yes No No
Balsa No No Yes No No No No
Becky! Internet Mail Yes No No No No No No
Citadel No Yes Yes Yes Yes No No
Claws Mail Yes Yes Yes Yes Yes No No
Cone No Yes Yes Yes Yes No No
Courier Yes No No No No No No
eM Client Yes No No No No No No
Elm No Yes Yes Yes Yes No No
Eudora Yes Yes No No No No No
Eureka Email Yes No No No No No No
Gnus Yes Yes Yes Yes Yes Yes Emacs
GroupWise Yes Yes Yes Yes Yes ? ?
i.Scribe / InScribe Yes Yes Yes No No No No
IBM Lotus Notes Yes Yes Yes No No No No
KMail Yes Yes Yes Yes Yes No No
Mail No Included No No No No No
Mailsmith No Yes No No No No No
Microsoft Entourage No Yes No No No No No
Microsoft Office Outlook Yes No No No No No No
Mozilla Mail & Newsgroups Terminated (1.7.13) No No
Mozilla Thunderbird Yes Yes Yes Yes Yes No No
Mulberry Yes Yes Yes Yes Yes No No
Mutt Yes Yes Yes Yes Yes Yes [7] No
Netscape Messenger Terminated (4.80) No No
Netscape Messenger 9 Terminated (9.0a1) No No
nmh / MH No Yes Yes Yes Yes No No
Novell Evolution Beta Yes Yes Yes Yes No No
Opera Mail Yes Yes Yes Yes Yes No No
Outlook Express Included (up to XP) No No No No No No
Pegasus Mail Yes No No No No Yes No
Pine Yes Yes Yes Yes Yes Terminated (3.96) [8] No
Pocomail Yes No No No No No No
Postbox Yes No No No No No No
SeaMonkey Mail & Newsgroups Yes Yes Yes Yes Yes No No
Sylpheed Yes Yes Yes Yes Yes No No
Spicebird Yes planned Yes Yes No No No
The Bat! Yes No No No No No No
Turnpike Yes No No No No No No
Windows Live Mail Yes No No No No No No
Windows Mail Included (Vista) No No No No No No
YAM No No No No No No AmigaOS
Zimbra Yes Yes Yes Yes Yes No No
Client Microsoft Windows Mac OS X Linux BSD Unix FreeDOS, DOS AmigaOS MorphOS

[edit] Protocol support

What e-mail and related protocols and standards are supported by each client.

Client POP3
fetch all messages		 POP3
selected by filter		 POP3
selected by user		 IMAP4
 SMTP
 NNTP
 LDAP v2
 LDAP v3
 IMSP
 ACAP
 RSS 0.91 Feeds RSS 1.0 Feeds RSS 2.0 Feeds ATOM Feeds iCalendar MAPI/RPC
Alpine Yes Yes Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ?
Becky! Internet Mail Yes ? ? Yes Yes Yes [Note 1] Yes ? ? ? Yes [Note 2] Yes [Note 2] Yes [Note 2] Yes [Note 2] ?
Citadel ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail Yes Yes Yes Yes Yes Yes Yes Yes ? ? No Yes [Note 3] Yes [Note 3] Yes [Note 3] Yes [Note 4]
Cone Yes No No [Note 5] Yes Yes Yes Yes Yes No No No No No No No
Courier Yes Yes Yes Yes Yes No Yes Yes No No No No No No No
eM Client Yes Yes Yes Yes Yes No No No No No Yes Yes Yes No Yes
Elm ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes No No Yes Yes No Yes Yes No Yes No No No No No
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus Yes Yes No Yes Yes Yes Yes Yes ? ? Yes Yes Yes No ?
GroupWise Yes Yes Yes Yes Yes Yes Yes Yes ? No ? ? ? ? Yes
i.Scribe / InScribe Yes No Yes Yes Yes No Yes [Note 6] Yes [Note 6] No No No No No No No
IBM Lotus Notes Yes No No Yes Yes Yes Yes Yes No No Yes [Note 7] Yes Yes Yes Yes
KMail Yes No No Yes Yes No [Note 8] Yes ? ? ? Yes [Note 9] Yes [Note 9] Yes [Note 9] Yes [Note 9] Yes [Note 10]
Mail Yes No No Yes Yes No Yes ? ? ? Yes Yes Yes Yes Yes [Note 11]
Mailsmith Yes ? Yes No Yes ? ? ? ? ? No No No No No
Microsoft Entourage Yes ? ? Yes Yes Yes No Yes ? ? ? ? ? ? Yes
Microsoft Office Outlook Yes No No Yes Yes No Yes ? ? ? Yes [Note 12] Yes [Note 12] Yes [Note 12] Yes [Note 12] Yes [Note 13] Yes
Mozilla Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird Yes No No Yes Yes Yes Partial ? No No Yes Yes Yes Yes Yes [Note 14]
Mulberry Yes No No Yes Yes No Yes ? Yes Yes No No No No Yes
Mutt Yes No (possible with POP3 browser) No (possible with POP3 browser) Yes Yes No (slrn looks alike) Partial (resolve real names through NSS) ? ? ? No No No No No
Netscape Messenger Yes ? ? Yes ? Yes ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 Yes ? ? Yes ? Yes ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes No No Yes Yes Yes Yes Yes No No No No No No Yes Yes
Opera Mail Yes No Yes Yes Yes Yes No No ? ? Yes Yes Yes Yes No
Outlook Express Yes No No Yes Yes Yes Yes ? ? ? No No No No No
Pegasus Mail Yes Yes Yes Yes Yes Yes [Note 15] Yes ? ? ? Yes [Note 15] Yes [Note 15] Yes [Note 15] ? ?
Pine Yes No No Yes Yes Yes Yes No No No No No No No No
Pocomail Yes Yes Yes Yes Yes No No No No No Yes Yes Yes No No
SeaMonkey Mail & Newsgroups Yes No No Yes Yes Yes Partial ? No No Yes Yes Yes Yes Yes [Note 14]
Sylpheed Yes Yes Yes Yes Yes Yes Yes No No No No No No No No
Spicebird Yes No No Yes Yes Yes Partial ? No No Yes Yes Yes Yes Yes [Note 14]
The Bat! Yes Yes [Note 16] Yes [Note 17] Yes Yes Yes [Note 18] Yes No No No Yes [Note 19] Yes [Note 19] Yes [Note 19] Yes [Note 19] No
Turnpike Yes ? ? ? Yes Yes ? ? ? ? ? ? ? ? ?
Windows Live Mail Yes No No Yes Yes Yes Yes ? ? ? Yes Yes Yes Yes No
Windows Mail Yes No No Yes Yes ? ? ? ? ? ? ? ? ? ?
YAM Yes Yes Yes No Yes No No No No No No No No No No
Zimbra Yes No No Yes Yes Yes Yes Yes ? ? Yes Yes Yes Yes Yes
Client POP3
fetch all messages		 POP3
selected by filter		 POP3
selected by user		 IMAP4 SMTP NNTP LDAP v2 LDAP v3 IMSP ACAP RSS 0.91 Feeds RSS 1.0 Feeds RSS 2.0 Feeds ATOM Feeds iCalendar MAPI/RPC
  1. ^ Becky! requires FRNews or BkNews plugin installed for handling NNTP.
  2. ^ a b c d Becky! requires BkBlogReader or BkRSSviewer or B.F.R or BkRssReader plugin installed for handling RSS and ATOM.
  3. ^ a b c RSSyl plugin is required to read RSS and ATOM in Claws Mail.
  4. ^ vCalendar plugin is required to handle iCalendar in Claws Mail.
  5. ^ Cone has an option to either keep all POP3 mail on the server, or download all messages from the POP3 mailbox.
  6. ^ a b i.Scribe / InScribe requires a plugin to handle LDAP.
  7. ^ Studio Blog Reader is one RSS reader application for IBM Lotus Notes. IBM Lotus Notes version 8.x introduced a native RSS reader.
  8. ^ KDE supports Newsgroups (NNTP) by the use of KNode
  9. ^ a b c d KDE supports feeds by the use of Akregator
  10. ^ KDE supports iCal by the use of KOrganizer
  11. ^ With Mail version 4, in Mac OS 10.6 Snow Leopard. In previous versions, Mail only links it with iCal.
  12. ^ a b c d Support of feeds is available in Microsoft Office Outlook 2007. Earlier versions require RSSPooper plug-in.
  13. ^ Microsoft Outlook support of iCalendar varies by version.
  14. ^ a b c iCalendar is supported with an extension.
  15. ^ a b c d Pegasus Mail can convert Newsgroup messages and/or RSS feeds to e-mails through the use of free add-ons.
  16. ^ Selective Download filters can skip/delete messages on POP3 server based on header (sender, recipient, subject, etc) information, this doesn't require to retrieve the full message body from the server.
  17. ^ Message Dispatcher allows the user to decide which messages should be retrieved, deleted or skipped based on the header information (sender, recipient, subject, etc) displayed to the user.
  18. ^ The BAT! requires MyGate plugin installed for handling NNTP.
  19. ^ a b c d The BAT! requires rss2mail or rss2pop3 plugin installed for handling RSS and ATOM.

[edit] Authentication support

Client Regular MSN (NTLM)

browser login

 Compuserve

(RPA)

 MD5 APOP [Note 1] CRAM-HMAC [Note 2] DIGEST-MD5 with hardware token

PKCS#11

 Biometric SMTP Auth [Note 3] SSL/TLS Client Certificate
LOGIN PLAIN MD5 SHA1 RIPEMD
Alpine Yes Yes No No No Yes No No No No No Yes No
Citadel ? ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail Yes Yes ? ? Yes Yes ? ? Yes Yes [Note 4] ? Yes Yes
Cone Yes Yes No No No Yes Yes No No No No Yes Yes
Courier Yes Yes Yes No Yes Yes Yes No Yes No No Yes Yes
eM Client Yes Yes No No Yes Yes Yes No Yes No No Yes Yes
Elm ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes Yes Yes Yes Yes Yes No No No No No No ?
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus Yes Yes ? ? Yes Yes Yes ? Yes ? ? Yes ?
GroupWise ? ? ? ? ? ? ? ? ? ? ? ? ?
i.Scribe / InScribe Yes Yes Yes No Yes No No No No No No Yes No
IBM Lotus Notes Yes ? Yes No No No ? ? ? Yes No Yes ?
KMail Yes Yes Yes No Yes Yes No No Yes No No Yes Yes
Mail Yes Yes Yes [Note 5] No Yes Yes [Note 6] ? ? ? ? ? Yes ?
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Yes No Yes ? ? Yes ? ? ? Yes ? Yes Yes
Microsoft Office Outlook Yes No Yes No No No No No No No No Yes No
Mozilla Mail & Newsgroups Yes ? ? Yes ? Yes ? ? ? ? ? ? ?
Mozilla Thunderbird Yes Yes Yes No Yes Yes No No No [3] Yes No Yes Yes
Mulberry Yes Yes Yes No No Yes No No Yes No No Yes Yes
Mutt Yes Yes Yes ? Yes Yes No No Yes No No 1.5.15 Yes
Netscape Messenger ? ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 ? ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes Yes Yes No Yes Yes No No Yes No No Yes Yes
Opera Mail Yes Yes No No Yes Yes No No No No No Yes Yes
Outlook Express Yes No Yes No No No No No No No No Yes No
Pegasus Mail Yes ? No No Yes No No No No No No Yes Yes
Pine Yes Yes No No No Yes No No No No No Yes No
Pocomail ? ? ? ? ? ? ? ? ? ? ? ? ?
SeaMonkey Mail & Newsgroups Yes Yes Yes No Yes Yes No No No [4] Yes No Yes Yes
Sylpheed Yes Yes No No Yes Yes No No No No No Yes No
The Bat! Yes Yes Yes Yes Yes Yes No No No Yes Yes Yes No
Turnpike ? ? ? ? ? ? ? ? ? ? ? ? ?
Windows Live Mail Yes No Yes No Yes No No No No No No No No
Windows Mail ? ? ? ? ? ? ? ? ? ? ? ? ?
YAM Yes Yes ? ? Yes ? ? ? ? ? ? ? AmiSSL
Zimbra Yes Yes ? ? Yes Yes ? ? ? Yes ? ? ?
Client Regular MSN (NTLM)

browser login

 Compuserve

(RPA)

 MD5 APOP [Note 1] CRAM-HMAC [Note 2] DIGEST-MD5 with hardware token

PKCS#11

 Biometric SMTP Auth [Note 3] SSL/TLS Client Certificate
LOGIN PLAIN MD5 SHA1 RIPEMD
  1. ^ a b Description: RFC 1734
  2. ^ a b Description: RFC 2195
  3. ^ a b Description: RFC 2554
  4. ^ Claws Mail requires S/MIME plugin installed.
  5. ^ Apple supports NTLM v2 in Mail as of 10.4 release
  6. ^ 10.1.3 Apple adds SSL and CRAM-MD5 support to Mail

[edit] SSL and TLS Support

Client Secure POP3 Secure IMAP4 Secure SMTP Secure NNTP Secure LDAP OCSP [Note 1] CRL [Note 2]
SSL TLS [Note 3] SSL TLS [Note 3] SSL TLS [Note 4] SSL TLS SSL TLS
Alpine Yes Yes Yes Yes Yes Yes Yes Yes ? Yes ? ?
Becky! Internet Mail Yes Yes Yes Yes Yes Yes ? ? ? ? ? ?
Citadel ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes ? ?
Cone Yes Yes Yes Yes Yes Yes No No Yes Yes No No
Courier No No No No No No No No No No No No
eM Client Yes Yes Yes Yes Yes Yes No No No No No No
Elm ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes Yes Yes Yes Yes Yes No No Yes Yes ? ?
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ?
Gnus ? ? Yes Yes ? ? ? ? ? ? ? ?
GroupWise ? ? ? ? ? ? ? ? ? ? ? ?
i.Scribe / InScribe Yes Yes Yes No Yes Yes No No No No No No
IBM Lotus Notes Yes ? Yes ? Yes Yes Yes ? Yes ? ? Yes
KMail Yes Yes Yes Yes Yes Yes No No ? ? ? ?
Mail Yes ? Yes Yes Yes ? No No Yes ? ? ?
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Yes ? Yes ? Yes ? Yes ? Yes ? ? ?
Microsoft Office Outlook Yes No Yes Yes Yes Yes ? ? ? ? ? ?
Mozilla Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Mulberry Yes Yes Yes Yes Yes Yes No No Yes Yes ? ?
Mutt Yes Yes Yes Yes 1.5.15 1.5.15 ? ? ? ? ? ?
Netscape Messenger ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Opera Mail Yes Partial [Note 5] Yes Partial [Note 5] Yes Partial [Note 5] Yes No No No ? ?
Outlook Express Yes No Yes No Yes No ? ? ? ? ? ?
Pegasus Mail Yes Yes Yes Yes Yes Yes ? ? Yes ? ? ?
Pine Yes Yes Yes Yes Yes Yes Yes Yes No No ? ?
Pocomail ? ? ? ? ? ? ? ? ? ? ? ?
SeaMonkey Mail & Newsgroups Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Sylpheed Yes Yes Yes Yes Yes Yes Yes Yes ? ? ? ?
Spicebird Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
The Bat! Yes Yes Yes Yes Yes Yes No No No No Yes [Note 6] Yes [Note 6]
Turnpike ? ? ? ? ? ? ? ? ? ? ? ?
Windows Live Mail Yes No Yes No Yes No ? ? ? ? ? ?
Windows Mail Yes ? Yes ? Yes ? ? ? ? ? ? ?
YAM ? ? ? ? ? ? ? ? ? ? ? ?
Zimbra Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes ? ?
Client Secure POP3 Secure IMAP4 Secure SMTP Secure NNTP Secure LDAP OCSP [Note 1] CRL [Note 2]
SSL TLS [Note 3] SSL TLS [Note 3] SSL TLS [Note 4] SSL TLS SSL TLS
  1. ^ a b Online Certificate Status Protocol - Description: RFC 2560
  2. ^ a b Certificate Revocation List - Description: RFC 3280
  3. ^ a b c d Description: RFC 2595
  4. ^ a b Description: RFC 2487
  5. ^ a b c Opera Mail does not support STARTTLS command on special ports, like 995 for pop3 connection
  6. ^ a b Since version 4.2, The Bat! supports two modes of X.509 certificate handling: Internal Implementation and via Microsoft Crypto API. CRLs and OCSP are only supported in the latter mode during TLS connections.

[edit] Features

 This article may require cleanup to meet Wikipedia's quality standards. Please improve this article if you can. (March 2009)

Information on what features each of the clients support.

Note that for all of these clients, the concept of "HTML support" does not mean that they can process the full range of HTML that a web browser can handle. Almost all email readers limit HTML features, either for security reasons, or because of the nature of the interface. CSS and Javascript can be especially problematic. A number of articles describe these limitations per-email-client; see 1, 2, 3, and 4

Client HTML e-mail UTF-8 support Image blocking Junk filtering Phishing filtering Thread view Conversation view PGP support S/MIME support
local server- side inline PGP/MIME or OpenPGP protocol OCSP CRL certificates on tokens, smartcards support
Alpine Yes Yes Yes ? ? ? Yes ? Yes ? Yes ? ? ?
Citadel Yes Yes No Yes [Note 1] ? ? No ? ? ? ? ? ?
Claws Mail Read-only Yes Yes Yes Yes Yes Yes ? Yes Yes Yes ? Yes Yes
Cone Yes Yes Yes Yes No No Yes ? No Yes No No No No
Courier Yes No No Yes Yes ? No ? ? ? ? ? ? ?
eM Client Yes Yes Yes No Yes No No Yes No No Yes ? ? ?
Elm ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes No Yes Pro only Pro only ? Yes No Yes [Note 2] Yes [Note 2] Yes ? ? ?
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus Yes Yes Yes Yes Yes ? Yes ? Yes Yes Yes ? ? Yes
GroupWise Yes Yes Yes Yes ? ? Yes ? ? ? ? ? ? ?
i.Scribe / InScribe Read-only Yes Yes Yes No ? Yes ? Yes No No No No No
IBM Lotus Notes Yes Yes Yes Yes Yes ? Yes [Note 3] ? Yes Yes
(4.1.2+)		 Yes Yes, [5] Yes Yes
KMail Yes Yes Yes Yes ? ? Yes No Yes
(with GPG)		 Yes
(1.5+, with GPGME)		 Yes Yes Yes ?
Mail Yes Yes Yes Yes ? ? Yes ? Yes [Note 4] Yes [Note 4] Yes Yes ? ?
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Yes Yes Yes Yes Yes Yes ? ? ? Yes Yes ? ? Yes
Microsoft Office Outlook Yes Yes Yes Yes Yes Yes Yes ? No No Yes ? ? ?
Mozilla Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird Yes Yes Yes Yes Yes Yes [Note 5] Yes [Note 6] Yes Yes [Note 6] Yes Yes Yes ? Yes
Mulberry Yes Yes Yes No Yes ? Yes ? Yes [Note 7] Yes [Note 7] Yes [Note 7] ? ? ?
Mutt Read-only Yes Yes
(no support for images)		 Yes ? ? Yes ? Yes Yes Yes ? Yes (with GPGME) ?
Netscape Messenger ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes Yes Yes Yes ? ? Yes ? Yes Yes Yes ? ? ?
Opera Mail Yes Yes Yes Yes ? Yes Yes ? No No No ? ? ?
Outlook Express Yes Yes Yes No ? ? Yes ? Yes [Note 8] No [Note 9] Yes ? ? ?
Pegasus Mail Yes Yes Yes Yes Yes Yes Yes ? Yes Yes
(sending is broken)		 ? No No No
Pine Read-only Yes Yes No ? ? Yes ? Yes
(with Pine Privacy Guard)		 No Yes ? ? ?
Pocomail Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
SeaMonkey Mail & Newsgroups Yes Yes Yes Yes ? Yes Yes ? Yes [Note 6] Yes [Note 6] Yes Yes ? Yes
Sylpheed No [Note 10] Yes Yes Yes ? ? Yes ? Yes Yes ? ? ? ?
Spicebird Yes Yes Yes Yes ? Yes Yes ? Yes Yes Yes Yes ? Yes
The Bat! Yes Yes Yes [Note 11] Yes Yes ? Yes ? Yes Yes Yes Partial [Note 12] Partial [Note 12] Yes [Note 12]
Turnpike Read-only ? ? ? ? ? ? ? ? ? ? ? ? ?
Windows Live Mail Yes Yes Yes Yes Yes Yes Yes ? Yes ? Yes ? ? ?
Windows Mail Yes ? ? Yes ? ? ? ? ? ? ? ? ? ?
YAM ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Zimbra Yes Yes Yes Yes Yes Yes (depends on antivirus) Yes ? ? Yes ? ? ?
Client HTML e-mail UTF-8 support Image blocking Junk filtering Phishing filtering Thread view Conver- sation view PGP support S/MIME support
local server- side inline PGP/MIME or OpenPGP protocol OCSP CRL certificates on tokens, smartcards support
  1. ^ Citadel plugs Mail into SpamAssassin
  2. ^ a b Eudora requires a plugin to handle PGP.
  3. ^ First release 6.0 (September 2003), [1] enhancements introduced in release 7.0 (August 2005)
  4. ^ a b Mail requires [2] GPGMail-plugin.
  5. ^ Mozilla Thunderbird adds this feature in Thunderbird 1.5.0.4
  6. ^ a b c d Using PGP in Thunderbird requires Enigmail.
  7. ^ a b c PGP/GPG and S/MIME support require a free (included) plugin.
  8. ^ Using PGP in Outlook Express requires a plugin.
  9. ^ Outlook Express does not display PGP/MIME signed messages.
  10. ^ Sylpheed has some limited ability to show HTML email. It can show the plain text that's left after stripping away all the HTML tags. Sylpheed has no ability to compose HTML.
  11. ^ The Bat is not able to display inline images.
  12. ^ a b c The Bat! supports two modes of S/MIME: Internal Implementation and via Microsoft Crypto API[40]. CRLs and OCSP are only supported in the latter mode. Internal implementation only supports Aladdin eToken Pro or Rainbow iKey1000[41] tokens and can import certificates (from PKCS#12/PFX format) which were created outside The Bat!. CryptoAPI supports any kind of tokens and smart cards which have a corresponding Cryptographic Service Provider installed.

[edit] Messages features

Client Label messages Reformat received messages Bi-?directional text support Composing messages Native images preview Postpone/?scheduled message sending Native documents preview
with colors with flag antidelete add note edit headers (e.g., Subject) forced recode [Note 1] Spell checking Signatures jpeg gif bmp png others txt pdf doc xls odt ods others
Alpine Yes Yes ? ? ? ? ? Yes Yes ? ? ? ? ? ? ? ? ? ? ? ? ?
Citadel ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail Yes Yes Yes No ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Cone Yes Yes Yes No ? ? ? Yes No No No No No No ? ? ? ? ? ? ? ?
Courier Yes Yes No No ? ? ? Yes Yes No No No No No ? ? ? ? ? ? ? ?
eM Client Yes Yes No No ? ? Yes Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Elm ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes Yes No No ? ? ? Yes Yes Yes Yes Yes Yes QuickTime Yes ? ? ? ? ? ? ?
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus Yes Yes Yes ? ? ? ? Yes Yes Yes Yes Yes Yes XPM ? ? ? ? ? ? ? ?
GroupWise Yes ? ? ? ? ? ? Yes Yes Yes Yes Yes ? ? Yes ? ? ? ? ? ? ?
i.Scribe / InScribe Yes No No Yes ? ? ? Yes [Note 2] Yes Yes [Note 3] Yes Yes Yes [Note 4] ICO, TIFF ? ? ? ? ? ? ? ?
IBM Lotus Notes Yes Yes ? ? Yes ? ? Yes Yes Yes Yes Yes No CGM, Lotus PIC, PCX, TIFF ? ? ? ? ? ? ? ?
KMail Yes[53] Yes No No ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Mail Yes Yes ? Yes ? ? ? Yes Yes Yes Yes Yes Yes any QuickTime supported format No ? Yes ? ? ? ? ?
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Yes Yes ? Yes[Note 5] ? ? ? Yes Yes Yes Yes ? Yes PDF ? ? ? ? ? ? ? ?
Microsoft Office Outlook Yes Yes No Yes Yes ? ? Yes Yes Yes Yes Yes Yes Word, PowerPoint, Excel Yes ? ? Yes Yes ? ? PowerPoint|ppt
Mozilla Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird Yes Yes ? ? with a plugin[6], not via IMAP[7] ? ? Yes Yes Yes Yes Yes Yes ICO Yes [Note 6] Yes No No No No No No
Mulberry ? Yes ? ? ? ? ? Yes Yes No No No No No ? ? ? ? ? ? ? ?
Mutt Yes Yes No No Yes ? ? Yes Yes No No No No No postpone ? ? ? ? ? ? ?
Netscape Messenger ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes Yes ? ? ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Opera Mail No Yes No No ? ? Yes Yes [Note 7] Yes Yes Yes Yes Yes APNG, ICO, SVG, WBMP, XBM No ? ? ? ? ? ? ?
Outlook Express No Yes No No ? ? ? Yes Yes Yes Yes Yes Yes ICO, art ? ? ? ? ? ? ? ?
Pegasus Mail Yes Yes Yes Yes in index No No Yes Yes Yes Yes Yes Yes TIFF N/A Yes No No No No No RTF, HTML
Pine Yes Yes ? ? No with a patch [Note 8] ? Yes [Note 9] Yes No No No No No ? ? ? ? ? ? ? ?
Pocomail Yes Yes ? Yes ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
SeaMonkey Mail & Newsgroups Yes Yes No No ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Sylpheed Yes Yes No No ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
The Bat! Yes Yes Yes Yes ? ? No Hunspell Yes Yes Yes Yes Yes ICO, emf Yes Yes No No No No No No
Turnpike Yes ? ? No ? ? ? Yes Yes Yes Yes Yes No ? ? ? ? ? ? ? ? ?
Windows Live Mail No Yes No No ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Windows Mail ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
YAM ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Zimbra Yes Yes Yes Yes ? ? ? Yes Yes Yes Yes Yes Yes ? ? ? ? ? ? ? ? ?
Client Label messages Reformat received messages Bi-?directional text support Composing messages Native images preview Postpone/?scheduled message sending Native documents preview
with colors with flag antidelete add note edit headers (e.g., Subject) forced recode [Note 1] Spell checking Signatures jpeg gif bmp png others txt pdf doc xls odt ods others
  1. ^ a b It's a frequent problem for people dealing with Cyrillic/Russian in email messages that the message is not encoded in the encoding declared in its headers and thus can't be read. With such a message (with a wrong declaration of the encoding), it well might be the case that it passed through several incorrect recoding stages while it was being sent and delivered; thus it's not possible to correctly render it and read it if one uses the common type of the interface for choosing the encoding (such as the menu in Mozilla Firefox). An example of such a complex case of a wrongly declared encoding: a message was entered through a webform in the windows-1251 encoding, but the web interface incorrectly assumed that it was in latin-1; based on this assumption, it performed the recoding from latin-1 to utf-8. The result of this operation cannot be correctly decoded through the common encoding-selection interface; it can only be decoded through a two-stage recoding: first from utf-8 to latin-1, then from windows-1251 to utf-8 (assuming that one works in a Unicode environment). After it is decoded, it is desirable to store it in the recoded form instead of the original, in order to be able to read it easily afterwards, and to quote it for replies.
  2. ^ i.Scribe / InScribe supports full integration with GNU Aspell, which is its requirement for spell checking.
  3. ^ i.Scribe / InScribe requires libjpeg.
  4. ^ i.Scribe / InScribe requires libpng.
  5. ^ Entourage can link a message to a note.
  6. ^ Thunderbird requires SL8TR extension.
  7. ^ Opera supports full integration with GNU Aspell, which is its requirement for spell checking.
  8. ^ The recoding engine and interface extensions that would solve the described recoding problems have been developed as a patch for Pine; it is to be found in the package pine-4.58L-alt4.src.rpm(ftp) for ALTLinux (under the name pine-4.58L-alt2-0.4.1.diff). Its essential feature is to enable to forcibly recode messages, save them in the recoded form, and quote in replies.
  9. ^ Pine supports full integration with GNU Aspell or other external speller, which is its requirement for spell checking.

[edit] Database, folders and customization

Client Message file format Encrypted database Virtual folders Scheduled backup New mail notification Customizable interface Customizable keybindings Fragmented messages [Note 1] Database search with regular expressions support Indexed search Search folders [Note 2] IMAP search
ticker tray icon tooltip sound
Alpine mbox, mbx, MIX, maildir (with patches), MMDF, tenex, mtx, MH, mx, news, phile ? Yes Partial ? ? ? ? Yes No ? No Yes Yes Yes
Citadel ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail MH, mbox No No No Yes Yes Yes Yes Yes Yes ? ? ? Yes Yes
Cone mbox, maildir No No No No ? ? ? Yes (colors) No No No No Yes Yes
Courier Proprietary Yes (weak) Yes ? ? ? ? ? Yes (layout) No ? No No Yes No
eM Client Proprietary (sqlite) No No No No Yes No Yes Yes (layout) No ? No Yes Yes Yes
Elm ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora mbox No Yes No No ? ? Yes Yes Yes Yes Yes[specify] Yes Yes Yes
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus babyl, maildir, mbox, MMDF, news, rnews, SOUP, outlook, oe-dbx No Yes No No ? ? ? Yes Yes Yes Yes No Yes Yes
GroupWise Proprietary Yes Yes Yes ? Yes Yesyes Yes Yes ? ? ? Yes Yes Yes
i.Scribe / InScribe Mail2 File No No No No ? ? ? Yes No No No No No No
IBM Lotus Notes Proprietary Yes [8] Yes Yes ? ? ? Yes Yes Yes Yes [Note 3] No Yes Yes ?
KMail mbox, maildir No Yes No ? ? ? ? Yes Yes No Yes ? Yes Yes
Mail Proprietary ? Yes ? ? ? ? ? ? ? ? ? Yes [Note 4] Yes [Note 5] ?
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Proprietary (Personal Storage Table) ? Yes Partial [Note 6] ? ? ? ? Partial No No Partial [Note 7] Yes Yes Yes
Microsoft Office Outlook Proprietary (Personal Storage Table) Yes Yes Yes ? Yes Yes Yes Yes Yes ? ? Yes [Note 8] Yes ?
Mozilla Mail & Newsgroups mbox ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird mbox No Yes ? ? Yes Yes Yes Yes [Note 9] ? No ? Yes (as of 3.0) Yes Yes
Mulberry mbox [Note 10] Partial [Note 11] Partial [Note 11] Partial [Note 11] ? ? ? ? Yes ? ? Yes[specify] Partial [Note 11] No Yes
Mutt mbox, MMDF, MH, maildir Yes (with compressed folders patch [9]) ? (has limit command) No ? ? ? ? Yes Yes ? Yes ? (has header cache) No (easily integrated with mairix) Yes
Netscape Messenger mbox ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 mbox ? ? ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH MH No Yes No No ? ? ? Yes No ? Yes Yes Yes No
Novell Evolution maildir, mbox, MH No Yes ? No ? ? ? Partial Yes [Note 12] Yes Yes Yes Yes Yes
Opera Mail maildir (9.20 and Above), mbox (9.10 and Below) No Yes
(all folders are virtual)		 No ? Yes Yes Yes Yes Yes No ? Yes Yes ?
Outlook Express Proprietary No No No ? Yes No Yes No No Yes ? No ? ?
Pegasus Mail Proprietary No Yes No ? Yes Yes Yes Yes ? ? Yes ? Yes Yes
Pine mbox, mbx, MIX, maildir (with patches), MMDF, tenex, mtx, MH, mx, news, phile ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Pocomail mbox Yes Yes Yes ? ? ? ? Yes ? ? Yes Yes Yes ?
SeaMonkey Mail & Newsgroups mbox ? ? ? ? ? ? ? ? ? ? ? ? ? Yes
Sylpheed MH No No No ? ? ? ? Yes Yes No No [Note 13] No [Note 13] Yes ?
The Bat! Proprietary Yes (RC2 128 bit)

(with Pro and Voyager version) [Note 14]

 Yes Yes Yes Yes No Yes Yes Yes Yes Yes

(PCRE 6.2)

 No Yes Yes
Turnpike Proprietary Yes Yes ? ? ? ? ? ? ? Yes ? ? Yes ?
Windows Live Mail ? No No No No Yes ? Yes Yes No Yes No Yes Yes ?
Windows Mail ? ? ? ? ? ? ? Yes ? ? ? ? ? ? ?
YAM ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Zimbra File system Yes Yes Yes ? ? ? ? Yes Yes Yes Yes Yes Yes Yes
Client Message file format Encrypted database Virtual folders Scheduled backup New mail notification Customizable interface Customizable keybindings Fragmented messages [Note 1] Database search with regular expressions support Indexed search Search folders [Note 2] IMAP search
ticker tray icon tooltip sound
  1. ^ a b Fragmented messages makes possible, for example, to send a large audio message as several partial messages, and still have it appear to the recipient as a simple audio message rather than as an encapsulated message containing an audio message. RFC 2046
  2. ^ a b Search Folders are virtual folders that contain views of all e-mail items matching specific search criteria. Search Folders display the results of previously defined search queries.
  3. ^ Fragmented messages are called truncated document in Lotus Notes.
  4. ^ with Spotlight Mac OS X v. 10.4
  5. ^ Search folders is called Smart Folders in Mail on Mac OS X v. 10.4.
  6. ^ With Entourage 2008, you can use AppleScript and various internal/external scheduling mechanisms to create timed backups of Entourage Data.
  7. ^ With Entourage 2008 and later versions of 2004, you can use the Spotlight data to search what's in the Entourage database via regular expression in the file system in Terminal or via Spotlight's ...interesting...version of "regular expressions".
  8. ^ supported since Office 2007.
  9. ^ Thunderbird's interface can be user customized via the use of themes (which can reposition and skin controls)
  10. ^ This is for Mulberry's 'offline browsing' capability, which is turned off by default. In the default configuration no local copy of the mail is created.
  11. ^ a b c d Mulberry is a dedicated IMAP client; If the IMAP server has these abilities, Mulberry can use them.
  12. ^ Editable keybindings is part of GNOME, provided "Editable menu accelerators" is enabled in GNOME's "Menus & Toolbars" control applet.
  13. ^ a b Because MH stores each letter in a separate file, it is trivially easy to (externally) search them with grep. This ease is shattered when non-raw encodings are used, such as base64.
  14. ^ The Bat! Pro support two methods access to program when database is encrypted: password authorization and token authorization; Voyager support only password authorization and encrypted database is default and only available storage method.

[edit] Templates, scripts and programming languages

Client Message templates Message templates individual for Support in message templates scripts, programming languages
new reply forward read confirmation save print JavaScript VBScript PHP Scripts Python Regular expressions Java Other (specify)
Alpine Yes Yes Yes ? ? ? any No No No No ? No ?
Citadel ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Claws Mail Yes Yes Yes Yes Yes Yes account
folder
 No No No Yes ? ? Perl
Cone Yes No No No No No ? No No No No No No No
Courier Yes Yes Yes No Yes Yes ? No No No No No No No
eM Client Yes Yes Yes Yes Yes Yes ? No No No No No No No
Elm ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Eudora Yes Yes Yes Yes Yes Yes any No No No No Yes No No
Eureka Email ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Gnus Yes Yes Yes Yes Yes Yes ? No No No No Yes No elisp
GroupWise Yes No No Yes Yes ? ? ? ? ? ? ? ? ?
i.Scribe / InScribe Yes Yes Yes No No No any No No No No No No Internal macros (similar to JavaScript)
IBM Lotus Notes Yes Yes Yes Yes ? ? ? Yes No No No Yes [10] Yes LotusScript, Formula language
KMail Yes Yes Yes No No No none ? No No No ? ? ?
Mail Yes Mac OS 10.5 (Leopard) No No No ? ? ? No No No No No ? AppleScript, Automator
Mailsmith ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Microsoft Entourage Yes Yes Yes Yes ? ? ? ? ? ? ? ? ? AppleScript, Automator
Microsoft Office Outlook Yes Yes Yes Yes ? ? ? ? ? ? ? ? ? ?
Mozilla Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Mozilla Thunderbird Yes Yes[Note 1] Yes[Note 1] Yes Yes Yes profile Yes ? ? ? ? ? ?
Mulberry Yes Yes Yes Yes ? ? ? No No No No ? ? ?
Mutt Yes Yes Yes No ? ? any No No No No Yes ? Internal macros
Netscape Messenger ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Netscape Messenger 9 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
nmh / MH ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Novell Evolution Yes Yes Yes Yes ? ? ? ? ? ? ? ? ? ?
Opera Mail Yes Yes No No No No none No No No No No No No
Outlook Express Yes Yes ? Yes ? ? ? Yes Yes ? ? ? ? ?
Pegasus Mail Yes Yes Yes Yes ? ? ? ? ? ? ? ? ? ?
Pine Yes Yes Yes ? ? ? any ? No No ? ? No ?
Pocomail Yes Yes Yes ? ? ? Yes ? ? ? ? ? ? ?
SeaMonkey Mail & Newsgroups ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Sylpheed Yes Yes Yes ? ? ? ? No No No No No ? ?
The Bat! Yes Yes Yes Yes Yes Yes account
folder
address book group
contact		 Yes [Note 2] Yes [Note 3] Yes [Note 4] Yes [Note 5] Yes PCRE 6.2 Internal and plugins macros
Turnpike ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Windows Live Mail Yes[Note 6] Yes[Note 6] ? Yes[Note 6] ? ? ? Yes Yes ? ? ? ? ?
Windows Mail ? ? ? ? ? ? ? ? ? ? ? ? ? ?
YAM Yes Yes Yes ? Yes Yes ? No No No No ? ? ARexx
Zimbra Yes Yes Yes Yes Yes Yes any No No No No No ? ?
Client Message templates Message templates individual for Support in message templates scripts, programming languages
new reply forward read confirmation save print JavaScript VBScript PHP Scripts Python Regular expressions Java Other (specify)
  1. ^ a b Thunderbird supports HTML templates with "Stationery" add-on.
  2. ^ The Bat! supports JavaScript in message templates with the JavaScript Macro plugin.
  3. ^ The Bat! supports VBScript in message templates with the XMP plugin.
  4. ^ The Bat! supports PHP in message templates with the XMP plugin.
  5. ^ The Bat! supports Python in message templates with the TBPyxie plugin.
  6. ^ a b c Weak "stationery" system that only accept pages done with Word.

[edit] See also

[edit] References

  1. ^ http://www.rimarts.jp/downloads/B2/Readme-e.txt
  2. ^ a b "The Birth of Eudora". http://www.eudora.com/presskit/backgrounder.html. Retrieved 2007-04-10. 
  3. ^ a b "GNUS: a NNTP based news reader for GNU Emacs (1 of 2)". http://gnus.org/2.0/gnus.1. Retrieved 2008-08-04. 
  4. ^ "KDE 4.5 Release Schedule". http://techbase.kde.org/Schedules/KDE4/4.5_Release_Schedule. 
  5. ^ "KDE Releases Development Platform, Applications and Plasma Workspaces 4.5.0". http://dot.kde.org/2010/08/10/kde-releases-development-platform-applications-and-plasma-workspaces-450. 
  6. ^ http://www.seamonkey-project.org/
  7. ^ "Other Programming Projects and Downloads". http://www.caddit.net/programming.php. Retrieved 2007-04-06. 
  8. ^ "PC-PINE-3.96 README". ftp://ftp.cac.washington.edu/pine/pcpine/old/PC-PINE-3.96/README. Retrieved 2007-04-06. 
  9. ^ "List of features of The Bat! e-mail client". http://www.ritlabs.com/en/products/thebat/features.php. 
  10. ^ "The Bat! with Hardware Tokens". http://www.ritlabs.com/en/products/securebat/. 
  11. ^ http://www.google.com/search?q=kmail+colors&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a

[edit] External links

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