[sdnog] block a blank FROM "from=<>" in mail system
philip at trouble.is
Sat Jul 21 07:47:53 SAST 2018
On 2018-07-20 22:42:55 (+0530), Manhal Mohammed wrote:
> 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>
Blocking the unspecified sender will break email. It's used for
> although the match between FROM address and sasl username is
> configured but i still can see blank FROM :(
There is no evidence of authentication in the log you pasted.
> did i miss something ?
What is the problem you are actually trying to solve?
Senior Reality Engineer
Ministry of Information
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