filter.d/postfix.conf: add Sender address rejected: Malformed DNS server reply #3590
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If we have some mailformed MX record like: warning: malformed domain name in resource data of MX record for panzer.de ``` ;; ANSWER SECTION: panzer.de. 120 IN MX 10 . ``` and someone put somewhere your host as MX so you will receive a lot of connections for it.
sebres
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sebres
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Dec 21, 2023
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Can you provide a message example (every RE expects at least one test in f2b)... or better add a sample with JSON to fail2ban/tests/files/logs/postfix.
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@sharewax: Any news on your PR? |
Sorry, New year and some rest and I a little bit forgot about it. Try to do it on this week. |
Add tests for Sender address rejected: Malformed DNS server reply
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It seems that I've added needed info, but can't find how to squash all commits in one :( Should I do it on my side or it's possible to do it from yours? Thank you in advance! |
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If we have some mailformed MX record like:
warning: malformed domain name in resource data of MX record for exmaple.com
and someone put somewhere your host as MX so you will receive a lot of connections for it.