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mailx is a Unix utility program for sending and receiving mail, also known as a Mail User Agent program. A console application with a command syntax similar to ed, it is an improved version of the Berkeley mail utility.[1]


A simplified syntax with some commonly used options might include:

 mailx [-s subject] [-c cc-addr] to-addr . . .
   -s   subject of email (could be inserted later)
   -c   send carbon copies to a user or users

The end of message is indicated by a single '.' or by hitting ctrl+d.

By default, users compose messages in mailx line by line, without the use of a text editor. The user may issue a command to mailx by entering a line that begins with a tilde (~). The ~v command causes mailx to invoke a text editor (defined by the VISUAL environment variable) on the message in progress, saved in a temporary file.

Example usage:

  $ mailx -s "From mailx"
type the body ... EOT (Ctrl+d) $

See also[edit]


  1. ^ mail, Mail, mailx, nail—history notes

External links[edit]