03.11.21, 10:53 +0100, @lbutlr:
postfix/smtps/smtpd[5554] warning: AUTH command rate limit exceeded: 4
Where is this limit set? I looked through postconf -d | grep auth looking for
something but did not find anything.
Markus Schönhaber <postfix-us...@list-post.mks-mail.de> wrote:-
My guess would be
http://www.postfix.org/postconf.5.html#smtpd_client_auth_rate_limit
On 03.11.21 16:32, Matthew Richardson wrote:
What might be useful would be a setting which rate limits clients based on
the number of FAILED AUTH requests made, probably over a long period of
time.
I don't see one, but may be missing something...
so far you can use fail2ban
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