exim-greylist Subpackage of exim

This package contains a simple example of how to do greylisting in Exim's ACL configuration. It contains a cron job to remove old entries from the greylisting database, and an ACL subroutine which needs to be included from the main exim.conf file. To enable greylisting, install this package and then uncomment the lines in Exim's configuration /etc/exim.conf which enable it. You need to uncomment at least two lines -- the '.include' directive which includes the new ACL subroutine, and the line which invokes the new subroutine. By default, this implementation only greylists mails which appears 'suspicious' in some way. During normal processing of the ACLs we collect a list of 'offended' which it's committed, which may include having SpamAssassin points, lacking a Message-ID: header, coming from a blacklisted host, etc. There are examples of these in the default configuration file, mostly commented out. These should be sufficient for you to you trigger greylisting for whatever 'offences' you can dream of, or even to make greylisting unconditional.

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