--On Tuesday, March 24, 2020 10:07 PM -0500 Mike <[email protected]> wrote:
If so, does anybody have a rule or info on how I can modify the existing postfix rule to also block these guys after x attempts?
I'm using sendmail-reject, which gets lots of hits after I disallowed authentication on port 25. I'm assuming it's bots looking for a way to guess logins. Perhaps you can adapt those rules for Postfix.
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