Exim and correct log parsing - drlight17/mta-log-parser GitHub Wiki

!!! From the MLP 1.8 version in order to correctly parse exim log files you will need to set log_selector = +all in exim.conf !!!

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Also in order to parse recipients of milter rejected messages in acl_check_data you will need to configure exim log messages to output string that can be parsed by the following regexp: .*DATA:.*for.([a-zA-Z0-9-+_.=]+@[a-zA-Z0-9-+_.]+). For example if use milter like rspamd to greylist and reject messages you can set log output as the following example:

  # use greylisting available in rspamd v1.3+
  defer message    = Message for $recipients is temporary deferred due to greylisting test
        condition  = ${if eq{$spam_action}{soft reject}}

  deny  message    = Message for $recipients discarded as high-probability spam
        condition  = ${if eq{$acl_m2}{YES}{1}{0}}
        condition  = ${if eq{$spam_action}{reject}}

Don't forget to restart exim service!