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All the Perl that's Practical to Extract and Report

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  • Oh yes, please show us the code for this. The more I can do to cut out spam, the better!
    • It's here []. The code is pretty self-explanatory. You will need to change the pattern matching immediately after the 'CHANGEME' comment so that it correctly spots the Received header inserted by your secondary MX.

      Any message which goes through your secondary MX will have a header inserted to tell you whether it came to the secondary from a blacklisted or whitelisted host, or whether the sending host is neither black- or white-listed.