|confSMTP_LOGIN_MSG ||This defines the one-line
message which is displayed when a remote MTA connects to
sendmail's SMTP port. Variable expansion is done for many
This can be changed for fun to something like $j sendmail
$v/$Z ready to serve your every whim at $b.
- local hostname
- version of the sendmail binary
- version of the sendmail.cf file
- current time
|confMAX_MESSAGE_SIZE ||This is the maximum
message size allowed for local delivery. I recommend setting this to
5242880 (5MB) to avoid mail bombs.
|confPRIVACY_FLAGS ||This allows you to set some
restrictions on what other users are allowed to find out about
sendmail's operation. Common values are:
Multiple privacy flags can be specified, seperated by commas.
- Issue warnings about authenticity of
- Only allow root to run the
mail queue manually.
- Only allow root to see the
contents of the mail queue.
- Do not allow the SMTP EXPN
command, which allows remote users to see the result of an alias
expansion on the local machine.
- Do not allow the SMTP VRFY
command, which allows remote users to verify the existance of a user
account on your machine.
|confQUEUE_LA ||Load average at which
sendmail puts incoming email into the queue rather than
attempt to deliver it immediately.
|confREFUSE_LA ||Load average at which to stop
accepting new incoming SMTP connections.