[sdnog] block a blank FROM "from=<>" in mail system

Manhal Mohammed manhal_muhamed at hotmail.com
Fri Jul 20 19:12:55 SAST 2018

Dear sdnoggers

how can i block a blank "from" in mail system ; here is a line  "looks like" from maillog file  :

mail postfix/smtpd[port]: NOQUEUE: filter: RCPT from some.domain [public IP]: <>: Sender address triggers FILTER smtp-amavis:[my local IP]:port; from=<> to=<usr at mydomain.bla> proto=ESMTP helo=<some.domain>

although the match between FROM address and sasl username is configured but i still can see blank FROM :(

did i miss something ?

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