Postfix

Stop Spam With Postfix Email Server

4 Comments / Postfix, Uncategorized / By grokman

See the video: Video Summary: How to stop spam / UCE with the Postfix mail transfer agent (MTA). Actual spam email is analyzed using mail logs and various SMTP restrictions are explored, as well as looking into how to setup client restriction maps to reject or defer. Lastly, different Postfix debug approaches are discussed. As …

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Debugging and Tracing In Postfix

Leave a Comment / Linux How-Tos, Postfix, System Administration / By grokman

Turn up logging for individual clients A really nice feature Postfix has is this ability to debug individually-specified hosts and this is how you do that. Just add this to your main.cf: # Debug individually-specified hosts debug_peer_level=3 debug_peer_list=regexp:/etc/postfix/debug_peers In this case I have set the debug level to 3. The default level is 2. Also …

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