.TH ezmlm-weed 1
.SH NAME
ezmlm-weed \- weed out useless messages
.SH SYNOPSIS
.B ezmlm-weed
.SH DESCRIPTION
.B ezmlm-weed
reads a mail message from its standard input.
If it recognizes the message as an MTA warning message or success message,
or as a message with precedence ``bulk'' or ``junk'' as generated by
vacation autoresponders,
it exits 99;
this will cause
.B qmail-alias
to skip all further delivery instructions if
.B ezmlm-weed
is run from a
.B .qmail
file.
If the message seems innocent,
.B ezmlm-weed
exits 0.
.B ezmlm-weed
exits 111 if it runs out of memory.
.SH "RECOGNIZED FORMATS"
Generic success message, recommended for all MTAs:

.EX
   Subject: success notice
.EE

Generic warning message, recommended for all MTAs:

.EX
   Subject: deferral notice
.EE

Delivery-status notification (DSN, rfc1891). All DSN messages with ``Action''
other than ``failed'':

.EX
   Content-type: multipart/report
.EE

Warning message from sendmail, MIME form:

.EX
   From: Mail Delivery Subsystem
.EE
.br
.EX
   Subject: Warning
.EE
.br
.EX
   Auto-Submitted: auto-generated (warning-timeout)
.EE
.br
.EX
   This is a MIME-encapsulated message
.EE
.br
.EX
   THIS IS A WARNING MESSAGE ONLY
.EE

Non-MIME form:

.EX
   From: Mail Delivery Subsystem
.EE
.br
.EX
   Subject: Warning
.EE
.br
.EX
   Auto-Submitted: auto-generated (warning-timeout)
.EE
.br
.EX
   THIS IS A WARNING MESSAGE ONLY
.EE

Warning message from older version of sendmail:

.EX
   From: Mail Delivery Subsystem
.EE
.br
.EX
   Subject: Returned mail: warning
.EE
.br
.EX
   This is a MIME-encapsulated message
.EE
.br
.EX
   THIS IS A WARNING MESSAGE ONLY
.EE

Non-MIME form:

.EX
   From: Mail Delivery Subsystem
.EE
.br
.EX
   Subject: Returned mail: warning
.EE
.br
.EX
   THIS IS A WARNING MESSAGE ONLY
.EE

Notification messages from Novell Groupwise:

.EX
  Subject: Message status - delivered
.EE
.br
.EX
  Subject: Message status - opened
.EE
.br
.EX
  Subject: Out of Office AutoReply:
.EE

.SH "SEE ALSO"
ezmlm-return(1),
qmail-command(8)