Re: [exim] ACL block incorrect authentication data

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Autor: Emanuel Gonzalez
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A: exim-users@exim.org
Assumpte: Re: [exim] ACL block incorrect authentication data
Hello.!!


my idea is to block the IP that makes the unsuccessful login attempts to the smtp service.


On the web I found the following rule, but not if it is what I need.


acl_smtp_auth:
                drop    message = authentication is allowed only once per message
                        set acl_m_auth = ${eval10:0$acl_m_auth+1}
                        condition = ${if >{$acl_m_auth}{2}}
                        delay = 30s
                accept