sendmail, 4th Edition

2017-07-07 02:10:07

${mail_mailer}

Saved $# value for MAIL FROM: triple

V8.10 and above

Upon receipt of the MAIL FROM: address, a delivery agent is selected by the RHS of a parse rule set 0 rule, which defines a triple that contains three pieces of information for that address:

$# delivery_agent $@ host $:address

The $# portion of the triple specifies the delivery agent to use for delivery. For example:

esmtp

Once that delivery agent is determined for the $# part of the triple, it is copied to this ${mail_mailer} sendmail macro.

${mail_mailer} is transient. If it is defined in the configuration file or in the command line, that definition can be ignored by sendmail . Note that a $& prefix is necessary when you reference this macro in rules (that is, use $&{mail_mailer} , not ${mail_mailer} ).

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