Re: [exim] protecting privileged users from SMTP-AUTH attack…

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Autor: Cyborg
Data:  
Dla: exim-users
Temat: Re: [exim] protecting privileged users from SMTP-AUTH attacks
Am 02.12.19 um 11:08 schrieb Jeremy Harris via Exim-users:
>> Is it possible to detect it in an ACL before exim itself rejects the
>> client by the default number of protocol violations?
> Detect what, precisely?


That an ip is trying to abuse the auth mechanics and producing a lot of 
"protocol synchronization error" messages,
as normal clients won't do.

best regards,
Marius