Comparison of webmail providers

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The following tables compare general and technical information for a number of notable webmail providers who offer a web interface in English.

The list does not include web hosting providers who may offer email services as a part of hosting package.

General[edit]

General information on webmail providers and products

Product Owner Location Released Cost Mailbox storage Maximum attachment limit Supported languages POP3[a] support IMAP support SMTP support Cryptographic protocol support Account expiration
(inactivity)
Use Own Domain
AOL Mail Verizon Communications 1993, Mar Free (Ad) Unknown 25 MB 54 Yes Yes Yes SSL 90 days (Deactivation), 180 days (Deletion)[1] ?
FastMail Fastmail Pty Ltd Australia (servers are in US) 1999, Jan $30/year to $90/year[2] 2 GB to 100 GB 50 MB[3] 37 Yes Yes Yes SSL, TLS[4] After subscription expiry Yes, Standard and Professional plans
Gmail Google LLC 2004, Apr Free (Ad); $5/user/month on the user's domain[5] 15 GB[6] 25 MB[7]
(10 GB per file via Google Drive)[8]
71 Yes Yes Yes SSL, TLS 9 months[9][b] Yes, for $5/user/month option only
GMX Mail
(gmx.net)
United Internet AG Germany 1997, Jan Free (Ad)[10] or Paid (€3-5/month) 2 GB (free)[11]
5-10 GB (paid)
20 MB (free)
50-100 MB (paid)
German Yes Yes Yes Yes 6 months or if payment stopped No
Hushmail Hush Communications Ltd. Canada 1999, May Free 14-day trial
$49.98 year (Premium)[12]
10 GB (Premium) 20 MB per file, total 50 MB per mail[13] English Paid Paid Paid SSL, TLS, OpenPGP 3 weeks (Free); Until payment ends Yes
iCloud[c] Apple Inc. 2011, Oct 0$ or $0.99/month, $2.99/month, or $9.99/month[d] 5 GB (Free), 50 GB, 200 GB, or 2 TB monthly[e] 20 MB

(5GB per message with Mail Drop via iCloud)[16]

4 No[17] Requires phone number for mandatory 2FA[18][19] Requires phone number for mandatory 2FA[18][19] SSL, TLS[17] Never ?
Lycos Lycos, Inc. 1995, Jan $4.95 per month
$19.95 yearly[20]
5 GB 35 MB English Yes Yes Yes SSL After subscription expiry[21] ?
Mail.com United Internet AG Germany 1995 Free (Ad) or $3.95/month or $19.95/year Unlimited 50 MB 3 Paid only Paid only Paid only SSL 6 months (Free);[22] Until payment ends ?
Mail.ru Mail.ru Russia 1998, Jan[23] Free (Ad) or paid options Unlimited 50 MB 11 Yes Yes Yes SSL, TLS 6 months (Free); Until payment ends Yes
Mailfence ContactOffice Group Belgium[24] 2013, Nov Free (No Ad)
€2.50/month (Entry)
€7.50/month (Pro)[25]
500 MB (free)
5 GB (Entry) or 20 GB (Pro)[25]
10 MB (Free)
50 (Entry/Pro)
5 Paid Only[26] Paid Only[26] Paid Only[26] SSL 7 months (Free);
Never (Paid) [27]
Yes, for paying accounts
Outlook.com
(Live Mail, Hotmail)
Microsoft 1996, July (As Hotmail)
2012, July (As Outlook)
Free (Ad); Paid option 15 GB[28] 25 MB (Unlimited via OneDrive) 106 Yes[29] Yes[29] Yes[29] SSL,[29] Exchange ActiveSync[29] 270 days[30] Premium Only[31]
ProtonMail Proton Technologies AG Switzerland 2013 Free (No Ad); Multi-tiered pricing 500 MB (free)
5 to 20 GB[32]
25 MB 10 Paid Only[33] Paid Only[33] Paid Only[33] SSL 3 months
(not necessarily enforced)[34]
Yes, for premium accounts
Rackspace Email Rackspace Inc USA 2001[35] $2/user/month[36] 25 GB[37] 50 MB[37] 12[38] Yes Yes Yes SSL, TLS No expiration on paid accounts Yes
Rediffmail Rediff India 1997 Free (Ad) and Paid: 399 (US$5.80)/year for POP3; 50 (73¢ US)/month for mobile Unlimited 25 MB 11 399 (US$5.80) ? ? SSL, TLS 2 months (Mailbox deletion), 3 months (Deactivation) ?
Runbox Runbox Solutions AS Norway 2000[39] Minimum (Micro plan): $19.95/year or €14.95/year[40] 1 GB (Micro plan)[40] 100 MB (Micro plan)[40] 2 Yes Yes Yes SSL Until payment ends Yes
Tutanota Tutao GmbH Germany 2011 Free (No Ad)
€12 year (Premium)[41]
1 GB 25 MB 30 No[42] No[42] No SSL, DANE Free of charge accounts may be deleted if they were not used for at least six months.[43] for premium accounts
Yahoo! Mail Verizon Communications 1997, Oct Free (Ad)
Yahoo! Mail Plus $49.99
1 TB[f] 25 MB
(150 MB per file via Dropbox)[45]
27 Most countries or YPOPs! Yes[g] Yes SSL[47] except classic version. 12 months[48] ?
Yandex Mail Yandex LLC Russia 2000, June Free (Ad) Unlimited[49] 22 MB per file, total 30 MB per mail (2 GB per file via Yandex Disk)[50] 10 Yes Yes Yes SSL, TLS 24 months[51] Yes
Zoho ZOHO Corporation 2008, Oct Personal Free (No Ad); Premium options $24 to $99/user yearly 5 GB "Lite".
"Standard": 10 & 15 GB
20MB free, 30 or 50 MB paid 16 Paid Only[52] Paid Only[52] Paid Only SSL 4 months (Free); Until payment ends Yes (free up to 25 users)
Product Owner Location Released Cost Mailbox storage Maximum attachment limit Supported languages POP3[h] support IMAP support SMTP support Cryptographic protocol support Account expiration
(inactivity)
Use Own Domain
  1. ^ In addition to the POP3 support listed here, almost all Web mail providers can be accessed with POP3 using the third-party tool FreePOPs.
  2. ^ Gmail accounts may or may not be deleted after 9 months of inactivity. There is no guarantee they will remain after then.
  3. ^ Must be an Apple (iPod, iPad, &c.) owner to obtain an account, but works on Windows, as well.
  4. ^ 50 GB cost $0.99/month, 200 GB cost $2.99/month, or 2 TB cost $9.99/month[14][15]
  5. ^ shared between file and email storage, customizable ratio
  6. ^ Yahoo! Mail announced Gratis 1 TB of storage space for all its members, in October 2013.[44]
  7. ^ Also can be used on non-mobile devices via third-party software.[46]
  8. ^ In addition to the POP3 support listed here, almost all Web mail providers can be accessed with POP3 using the third-party tool FreePOPs.

Software distribution[edit]

Licensing and JavaScript requirements for webmail products

Product Webmail software Requires JavaScript
AOL Mail Proprietary AOL Mail standard view requires JS; AOL Mail basic HTML view does not use JS
FastMail Partial[a] standard interface requires JavaScript, classic interface does not
Gmail Proprietary Gmail standard view requires JS; Gmail's basic HTML view does not use JS
GMX Mail
(gmx.net)
Proprietary Yes
Hushmail Proprietary Yes
iCloud[b] Proprietary Yes
Lycos Proprietary Yes
Mail.com Proprietary Yes
Mail.ru Proprietary standard interface requires JS, lite interface does not
Mailfence Proprietary Yes
Outlook.com Proprietary Yes
ProtonMail MIT license Yes
Rackspace Email Proprietary Yes
Rediffmail Proprietary Yes
Runbox Proprietary Yes
Tutanota GPL v3 Yes
Yahoo! Mail Proprietary Yahoo Mail standard view requires JS; Yahoo Mail basic HTML view does not use JS
Yandex mail Proprietary Yes
Zoho Proprietary Yes
Product Webmail software Requires JavaScript
  1. ^ Some parts of the FastMail web software have been released as free, open-source software. The front-end JavaScript library is released as Overture JS[53][54] and the rich-text editor as Squire.[55][56] The data model and various client code was donated to Roundcube for its JMAP implementation.[57]
  2. ^ Must be an Apple (iPod, iPad, &c) owner to obtain an account, but works on Windows, as well.

Digital rights[edit]

Verification[edit]

Security information users must provide to verify and complete the registration when opening an account:

Product SMS verification Secondary email verification
AOL Mail Yes Unknown
FastMail Unknown Unknown
Gmail Yes Unknown
GMX Mail
(gmx.com)
Unknown Unknown
Hushmail Unknown Unknown
iCloud[a] Unknown Unknown
Lycos No No
Mail.com No optional
Mail.ru Yes Unknown
Mailfence Unknown Unknown
Outlook.com Yes Unknown
ProtonMail email or mobile phone, skippable with donation or premium email or mobile phone, skippable with donation or premium
Rackspace Email No Yes[58]
Rediffmail Unknown Unknown
Runbox No optional
Tutanota Unknown Unknown
Yahoo! Mail Yes Unknown
Yandex Mail Yes Unknown
Zoho Unknown Unknown

Other[edit]

Verified privacy and legal defense[b] Verified (possibly) neutral technology Claimed privacy policies[c]
Product Server's location(s) Secure (SSL) webmail Tor gateway available Tor browser allowed Proxy gateway available Internet censorship (countries) HTTP tracking cookies Personalized ads[d] Email tracking[e] Information sharing Browser/platform tracking
AOL Mail USA Yes (default) No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
FastMail USA / Iceland Yes (default) No Unknown Yes[59] Unknown Unknown No Unknown Unknown Unknown
Gmail USA Yes (default) No No No Unknown Yes Yes Unknown Yes Yes
GMX Mail
(gmx.com)
USA Yes No No Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Hushmail Canada Yes (default) No Unknown Unknown Unknown Unknown No Unknown No Unknown
iCloud[f] USA Yes (default) No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Lycos Korea Yes No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Mail.com Germany / USA Yes No No Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Mail.ru Russia Yes (default) No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Mailfence Belgium Yes (default) No Yes[60] No No No No No No No
Outlook.com USA Yes (default) No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
ProtonMail Switzerland Yes (default) Yes Yes No No No No No No No
Rackspace Email USA Yes (default) No Unknown Unknown Unknown Unknown No[61] No[62] No[63] Unknown
Rediffmail India Yes No Yes Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Runbox Norway Yes (default) No Yes No No No No No No No
Tutanota Germany Yes (default) No No, JS required No No No No No No No
Yahoo! Mail USA Yes (default) No Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Yandex Mail Russia Yes (default) No Yes Unknown Unknown Unknown Unknown Unknown Unknown Unknown
Zoho USA / India Yes No Unknown Unknown Unknown Unknown No Unknown Unknown Unknown
  1. ^ Must be an Apple (iPod, iPad, &c.) owner to obtain an account, but works on Windows, as well.
  2. ^ This information can be verified by anyone with access to internet. Servers location play role in a investigation and serves thereof for legal defense
  3. ^ Statement cannot be verified to be actual true as the information is handled by servers not accessed by the public
  4. ^ For services hosted by companies that also own web search engines: The results of ads are arranged for the user in accordance to his/her interests as determined from previous search queries or other information available to the search engine.
  5. ^ Tracking the user is not necessarily bad faith behaviour – it has to be conducted in order to provide personalized search results.
  6. ^ Must be an Apple (iPod, iPad, &c.) owner to obtain an account, but works on Windows, as well.

Unique features[edit]

Unique features in webmail products
Name Features
FastMail One time passwords;[64] spam filter; backscatter detection;[65] deletion of selected attachments. Android and IPhone apps.
Gmail Account verification via SMS or voice call in some countries;[66] Messages grouped into "conversations"; "Normal" view via Settings; Labels instead of folders; Undo send (implemented as a delayed send)
Mailfence Client-side encryption, Digital signatures, Full OpenPGP inter-operability and support, Integrated account keystore, Multiple PGP keypair support, Public keyserver connection, Full reversibility and key revocation;[67]
Outlook.com One-time password, Mobile alerts, Account verification via SMS or voice call in some countries, Rules,[68] Messages grouped into "conversations", Scheduled Cleanup,[68] Filter to e.g. only see newsletters or Emails from contacts,[68] Recover deleted emails;[69]
ProtonMail Client-side encryption, email expiration, automatic encryption for ProtonMail-ProtonMail emails, optional email encryption for messages from ProtonMail to other providers
Rackspace Email White label option for resellers; Webmail chat; Recover deleted emails; Shared contacts and calendars; SMS based password recovery; Integrated Cloud Drive file storage with document and spreadsheet editors; Attach files from Dropbox[37]
Rediffmail sign-in via Google, Yahoo!, Facebook, Twitter, Mobile Sync; Indrive.
Tutanota Client-side encryption, automatic encryption of mailbox, automatic encryption of emails between Tutanota users, optional email encryption for messages from Tutanota to other providers
Yandex Mail No ads, email for own domains (Yandex PDD), scheduled email delivery, SMS verification, sign-in via Twitter, VK, Facebook, Google Profile
Zoho Email Sharing, Folder Sharing, Collaborating with other users by Chat/ Social media for organization, Filters, Schedule and send emails, reminders, Notes, Tasks, Bookmarks and so on.

Features[edit]

Service name Automatic forwarding Email client access[a] Client email for other server Integration with IM service Domain
Name
customization
Interface
script
technique
Virus scanning Filters out emails with executable attachments Custom "From:" Address Address modifiers (subaddressing) Server hosted public keyring (for encryption) Shared key encryption
AOL Mail No Yes
(POP3, IMAP, SMTP)
Yes[b] AOL Instant Messenger No[c] JavaScript/ Ajax Yes
(McAfee)
No ? ? No No
FastMail Yes Yes
(POP3, IMAP, SMTP)
Yes
(POP3 only)
XMPP Some paid plans only HTML/ JavaScript/ CSS/Ajax Yes Configurable with user filtering rules Yes Plus addressing and subdomain addressing[70] No No
Gmail Yes Yes
(POP3, IMAP)
SSL/TLS supported
SMTP restricted[d]
Yes
(POP3 only)
Google Talkbeta (XMPP), AOL Instant Messenger Via G Suite, premium plans only HTML/ JavaScript/ Ajax[e] Yes Yes, including .exe files in zip files Yes, limited.
Feature restricted to preconfigured addresses. Addresses not registered in advance with Gmail are blocked.
Plus addressing No No
Hushmail Business accounts only Extra cost[f] ? No Business accounts only HTML/ JavaScript/ Ajax Yes ? Yes, unlimited email aliases for paid subscribers No Yes Yes
Mail.com Premium accounts only Yes
(POP3, IMAP, SMTP)
SSL/TLS supported
Yes
(POP3 only)
Google Talk (XMPP) No HTML/ JavaScript/ Ajax2 Yes Yes, including .exe files in zip files Yes No No No
Mail.ru Yes Yes
(POP3, IMAP)
Yes
(POP3, IMAP)
ICQ, Custom Yes (Free, Mail.ru for Business supports up to 5000 mailboxes) HTML/ Ajax (Beta) Yes
(Kaspersky)
? Yes ? No No
Mailfence Paying accounts only Paying accounts only
(POP3, SMTP, Microsoft Exchange Server, IMAP)
SSL/TLS supported
Yes XMPP[g] Paying accounts only HTML/ Ajax Yes Yes, including .exe in zip files Paying accounts only Plus addressing[71] Yes No
Outlook.com Yes Partial
(POP3, SMTP, Microsoft Exchange Server, IMAP[72])[h]
Yes
(POP3 only)
Skype, Google Hangouts, Facebook Chat Via Office 365, some premium plans only HTML/ JavaScript/ CSS/Ajax Yes Yes, including .exe files in zip files Yes Plus addressing[73] No No
ProtonMail No Premium plans only through ProtonMail Bridge[74] ? No Premium plans only JavaScript/Ajax Yes (ClamAV) No Yes Plus addressing Yes Yes
Rackspace Email Yes Yes
(POP3, IMAP, SMTP)
SSL/TLS supported
? Custom Yes HTML/ JavaScript/ CSS/Ajax Yes Yes, including .exe in zip files Yes Plus addressing No No
rediff No Premium plans only ? Rediff Bol Yes JavaScript/ Ajax2 Yes ? Yes ? No No
Runbox Yes Yes
(IMAP, POP, SMTP)
SSL/TLS supported
Yes
(POP3, Hotmail, Gmail)
SSL/TLS supported
No Paid plans only HTML/ JavaScript/ CSS/Ajax/ Canvas (Beta) Yes
(ClamAV)
If discarded by virus scanner Yes
Selectable while composing; saved identities
Plus addressing[75] No No
Seznam.cz Yes Yes
(POP3, IMAP, SMTP)
SSL/TLS supported
Yes
(POP3 only)
No No HTML/ JavaScript Yes
(ESET-NOD32)
? Yes ? No No
Tutanota No No ? No Premium plans only JavaScript No No Yes No Yes Yes
Yahoo! Mail Yes[76] POP3-Plus members only, but free in some countries, IMAP
SSL/TLS supported
Yes
(POP3 only)
Yahoo! Messenger Premium plan only HTML/ JavaScript/ CSS/Ajax Yes
(Norton AntiVirus)
Yes, including .exe files in zip files Yes
& only 10 addresses
Plus addressing (using "-" only) No No
Yandex Mail Yes Yes (POP3, IMAP, SMTP, SSL) Yes
(POP3 only)
Ya Online, any XMPP IM Yes (Free, Yandex PDD supports up to 1000 mailboxes without verification of legal use) HTML/ JavaScript/ CSS/Ajax Yes
(Dr.Web[77])
Configurable or/and if discarded by antivirus Yes, only from confirmed addresses[78] Plus addressing[79] No No
Zoho Yes if you use Zoho domain, if you use your own domain then Premium plans only[80] Premium plans only (POP, IMAP, SMTP) Yes (POP) XMPP, Google Talk, AOL Instant Messenger, ICQ, Yahoo! Messenger Business plans only, including free plan Ajax Yes ? Yes ? No No
Service name Automatic forwarding Email client access[a] Client email for other server Integration with IM service Domain
Name
customization
Interface
script
technique
Virus scanning Filters out emails with executable attachments Custom "From:" Address Address modifiers Server hosted public keyring (for encryption) Shared key encryption
  1. ^ a b Most mail services that do not support POP3 access can be accessed through the FreePOPs mail proxy software.
  2. ^ Through AOL Easy Transfer
  3. ^ Through AOL My eAddress
  4. ^ Gmail restricts the FROM field to registered addresses. e.g. Disposable addresses forbidden.
  5. ^ HTML interface available for legacy browsers or users with JavaScript disabled.
  6. ^ IMAP access available for $14.99 for the first year and $29.99 yearly thereafter.
  7. ^ Mailfence provides an internal Instant Messaging feature for group members.
  8. ^ Since March 12, 2009, POP3 technology rolled out to Windows Live Hotmail customers worldwide. Additionally, the proprietary DeltaSync-protocol is available.

See also[edit]

References[edit]

  1. ^ "Learn How Long It Takes for an AOL Mail Account to Be Deactivated". 
  2. ^ "FastMail account pricing". 
  3. ^ "FastMail account limits". 
  4. ^ "Opportunistic SSL/TLS encryption on outgoing emails". FastMail. January 29, 2010. 
  5. ^ "Google Apps Pricing". 
  6. ^ "Gmail Features". 
  7. ^ "Gmail: Maximum attachment size". Google. 
  8. ^ "Insert files using Google Drive in Gmail". 
  9. ^ "Know When Your Gmail Account Will Expire". 
  10. ^ GMX FreeMail Archived March 6, 2012, at the Wayback Machine.
  11. ^ http://www.computerbase.de/news/2012-02/gmx-lockt-kunden-mit-groesserem-e-mail-postfach/ (German)
  12. ^ "Hushmail for Personal Use". 
  13. ^ "Maximum attachment size". Retrieved January 26, 2017. 
  14. ^ Storage Upgrade Options
  15. ^ "iCloud storage plans and pricing". Apple. Retrieved December 18, 2017. 
  16. ^ "Mail Drop limits". Apple Support. Retrieved January 1, 2017. 
  17. ^ a b "iCloud: Mail server settings for email clients". Retrieved January 26, 2017. 
  18. ^ a b "Using app-specific passwords for Apple ID". Retrieved June 17, 2017. 
  19. ^ a b "Two-factor authentication for Apple ID". Retrieved June 17, 2017. 
  20. ^ https://lycos.freshdesk.com/support/solutions/articles/29000021029-end-of-free-service-faq
  21. ^ "Lycos Mail Terms of Service". 
  22. ^ Mail.com: 2. Term and Termination: 2.4 If your account is not a Premium Services account it may be suspended after six months of inactivity
  23. ^ Mail.Ru Group: Главная Archived July 5, 2007, at the Wayback Machine. (in Russian)
  24. ^ "FAQ". Mailfence.com. Retrieved May 9, 2018. 
  25. ^ a b "Mailfence account subscription plans". 
  26. ^ a b c "Plans". Mailfence.com. Retrieved May 9, 2018. 
  27. ^ "ENCRYPTED EMAIL SERVICE PROVIDERS". 
  28. ^ "Storage limits in Outlook.com". December 18, 2017. 
  29. ^ a b c d e "Compare Outlook.com". Microsoft. 
  30. ^ "Deleted Hotmail account due to inactivity - I still need to access those emails". September 4, 2013. 
  31. ^ "Outlook.com Premium". 
  32. ^ "ProtonMail - Sign Up". Retrieved December 31, 2016. 
  33. ^ a b c "ProtonMail Bridge". 
  34. ^ https://protonmail.com/terms-and-conditions
  35. ^ "One Startup's Long Road To A Rackspace Acquisition And Dramatic IPO | Exitround". exitround.com. Retrieved 2018-06-27. 
  36. ^ "Email Pricing & Key Features | Rackspace". Rackspace Hosting. Retrieved 2018-06-27. 
  37. ^ a b c "Rackspace Email: Affordable hosted email for small businessFeatures & Benefits of Hosted Webmail | Rackspace". Rackspace Hosting. Retrieved 2018-06-27. 
  38. ^ "Rackspace Webmail overview". support.rackspace.com. Retrieved 2018-06-27. 
  39. ^ "About Runbox - Runbox". Retrieved January 26, 2017. 
  40. ^ a b c "Price Plans". Runbox.com. Retrieved May 9, 2018. 
  41. ^ "Tutanota Pricing". 
  42. ^ a b Tutanota Support (May 9, 2017). "External IMAP/POP3 connection". Tutanota Support. Retrieved May 9, 2018. 
  43. ^ "Terms and Conditions of Tutao GmbH". 
  44. ^ "Yahoo Mail's Sweet 16 Is Sweet: A brand new view". Retrieved January 26, 2017. 
  45. ^ "How do I use Dropbox with Yahoo Mail?". 
  46. ^ "Yahoo IMAP Connector". Retrieved January 26, 2017. 
  47. ^ "How to secure Yahoo Mail Web sessions with SSL". CNET. January 14, 2013. 
  48. ^ "Reactivate a deleted Yahoo account". You must sign-in at least once every 12 months 
  49. ^ "What is Yandex.Mail — Mail — Yandex.Support". Retrieved January 26, 2017. 
  50. ^ http://help.yandex.com/mail/letter/attach-files.xml
  51. ^ "User Agreement for Yandex Services — Legal documents". Retrieved January 26, 2017. 
  52. ^ a b "POP/IMAP/Activesync no longer free?". 
  53. ^ "Open-sourcing OvertureJS – the JS lib that powers FastMail". FastMail Pty Ltd. December 20, 2014. 
  54. ^ "Overture JS". 
  55. ^ "FastMail's rich text editor". FastMail Pty Ltd. December 8, 2014. 
  56. ^ "Squire". 
  57. ^ "FastMail supports Roundcube Next development". FastMail Pty Ltd. June 5, 2015. 
  58. ^ "Sign up for Rackspace services". support.rackspace.com. Retrieved 2018-06-27. 
  59. ^ "Server names and ports § Firewall access". FastMail Pty. 
  60. ^ "Send email anonymously using Mailfence and Tor". 
  61. ^ "Mail Hosting Services Terms & Conditions". Rackspace Hosting. Retrieved 2018-06-27. 
  62. ^ "Mail Hosting Services Terms & Conditions". Rackspace Hosting. Retrieved 2018-06-27. 
  63. ^ "Mail Hosting Services Terms & Conditions". Rackspace Hosting. Retrieved 2018-06-27. 
  64. ^ "Alternative logins". FastMail. 
  65. ^ "Backscatter". FastMail. 
  66. ^ "Frequently Asked Questions on Account Verification via SMS or voice call". 
  67. ^ "Why mailfence is a unique, secure and private email service". 
  68. ^ a b c Clean, clutter-free inbox Outlook.com
  69. ^ Recover deleted messages Outlook.com
  70. ^ "Plus addressing and subdomain addressing". Retrieved January 26, 2017. 
  71. ^ "Plus addressing to track spammers". 
  72. ^ "Outlook.com now has IMAP". Office Blogs. September 12, 2013. 
  73. ^ "Windows - Official Site For Microsoft Windows 10 OS, laptops, PCs, tablets & more". Retrieved January 26, 2017. 
  74. ^ https://protonmail.com/bridge/.  Missing or empty |title= (help)
  75. ^ https://help.Runbox.com/subaddressing-plus-addressing
  76. ^ "Automatically forward emails with Yahoo Mail". 
  77. ^ "Частые вопросы в Яндекс.Почте — Почта (старый интерфейс) — Яндекс.Помощь". Retrieved January 26, 2017. 
  78. ^ "Sender information — Mail — Yandex.Support". Retrieved January 26, 2017. 
  79. ^ "Регистрация — Почта (старый интерфейс) — Яндекс.Помощь". Retrieved January 26, 2017. 
  80. ^ "Features exclusive to Paid Plans". Retrieved June 1, 2018.