Screenshot of a Postfix configuration file, showing some humorous one-liners used to reject spam from known abusers.
https://files.mastodon.social/media_attachments/files/111/257/189/626/134/243/original/d6e6260fe6497a09.png
Part of the problem with running your own #selfhosted #email server is dealing with spam. I use RBLs and whatnot, but when something gets by, part of the fun is using #Postfix to get creative with the #SMTP transactions. #unexpectedbeatles
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