SMM:08-50
Sendmail Installation and Operation Guide
${if_family_out}
The IP family of the interface of an outgoing connection unless it is in the loopback net.
${if_name}
The hostname associated with the interface of an incoming connection. This macro can be
used for SmtpGreetingMessage and HReceived for virtual hosting. For example:
O SmtpGreetingMessage=$?{if_name}${if_name}$|$j$. MTA
${if_name_out}
The name of the interface of an outgoing connection.
${load_avg}
The current load average.
${mail_addr}
The address part of the resolved triple of the address given for the
SMTP MAIL
command.
Defined in the SMTP server only.
${mail_host}
The host from the resolved triple of the address given for the
SMTP MAIL
command. Defined
in the SMTP server only.
${mail_mailer}
The mailer from the resolved triple of the address given for the
SMTP MAIL
command.
Defined in the SMTP server only.
${msg_id}
The value of the Message-Id: header.
${msg_size}
The value of the SIZE= parameter, i.e., usually the size of the message (in an ESMTP dia-
logue), before the message has been collected, thereafter the message size as computed by
sendmail (and can be used in check_compat).
${nbadrcpts}
The number of bad recipients for a single message.
${nrcpts}
The number of validated recipients for a single message. Note: since recipient validation hap-
pens after check_rcpt has been called, the value in this ruleset is one less than what might be
expected.
${ntries}
The number of delivery attempts.
${opMode}
The current operation mode (from the -b flag).
${quarantine}
The quarantine reason for the envelope, if it is quarantined.
${queue_interval}
The queue run interval given by the -q flag. For example, -q30m would set ${queue_inter-
val}
to "00:30:00".
${rcpt_addr}
The address part of the resolved triple of the address given for the
SMTP RCPT
command.
Defined in the SMTP server only after a RCPT command.
${rcpt_host}
The host from the resolved triple of the address given for the
SMTP RCPT
command. Defined
in the SMTP server only after a RCPT command.