Re: [Exim] Final Peer Review Sought: "Spam Filtering for MXs…

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Autor: Chris Edwards
Datum:  
To: Exim User's Mailing List
Betreff: Re: [Exim] Final Peer Review Sought: "Spam Filtering for MXs" HOWTO
Hi,

In the section on sender callouts (2.3.2.4. Sender Callout Verification)
it might be worth adding a comment that this is considered a dubious
practice by many, as it annoys innocent mail servers - guilty of nothing
other than having their domain forged.

Hence there are a growing number of sites which will blacklist systems
blindly attempting this sort of callout. Please think carefully before
recommending this.

--
Chris Edwards, Glasgow University Computing Service