Re: [Exim] SMTP Spoofing - Preventing Local Relaying

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Author: Suresh Ramasubramanian
Date:  
To: Mail List, exim-users
Subject: Re: [Exim] SMTP Spoofing - Preventing Local Relaying
At 08:51 PM 3/3/2003 -0500, Mail List wrote:
>Basically there should be no user/domain (besides local) with SMTP access
>-and then SMTP is only needed for the Squirrel Web-Mail service.. I
>require my end-users to use their ISP for SMTP services, relaying through
>their domain name is not a service I provide (because of past abuse)..

SMTP = inbound as well as outbound, is what you are missing.

My advice still holds - block by IP

srs



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