qmail-command(8)     Maintenance Procedures      qmail-command(8)

     qmail-command - user-specified mail delivery program

     in .qmailext:  |command

     qmail-local will, upon your request, feed each incoming mail
     message through a program of your choice.

     When a mail message arrives, qmail-local runs sh -c  command
     in  your  home directory.  It makes the message available on
     command's standard input.

     WARNING: The mail message does not begin with  qmail-local's
     usual Return-Path and Delivered-To lines.

     Note that qmail-local uses  the  same  file  descriptor  for
     every  delivery  in  your .qmail file, so it is not safe for
     command to fork a child that reads the message in the  back-
     ground while the parent exits.

     command's exit codes are interpreted as  follows:   0  means
     that the delivery was successful; 99 means that the delivery
     was successful,  but  that  qmail-local  should  ignore  all
     further  delivery  instructions; 100 means that the delivery
     failed permanently (hard error); 111 means that the delivery
     failed  but  should  be  tried again in a little while (soft
     error).  Currently 64, 65, 70, 76, 77, 78, and 112 are  con-
     sidered hard errors, and all other codes are considered soft
     errors, but command should avoid relying on this.

     qmail-local supplies several useful environment variables to
     command.   SENDER is the envelope sender address.  NEWSENDER
     is the forwarding envelope sender address, as  described  in
     dot-qmail(5).   RECIPIENT is the envelope recipient address,
     local@domain.  USER is user.  HOME is your  home  directory,
     homedir.   HOST is the domain part of the recipient address.
     LOCAL is the local part.  EXT is the .qmail extension,  ext.
     EXT2 is the portion of EXT following the first dash; EXT3 is
     the portion following the second dash; EXT4 is  the  portion
     following  the  third dash.  DTLINE and RPLINE are the usual
     Delivered-To  and  Return-Path  lines,  including  newlines.
     UFLINE is the UUCP-style From_ line that qmail-local adds to
     mbox-format files.

     WARNING: These environment variables are not  quoted.   They
     may  contain special characters.  They are under the control
     of a possibly malicious remote user.

     dot-qmail(5), envelopes(5), qmail-local(8)

SunOS 5.5                 Last change:                          1