Re: [Exim] Checking against "seen" Message-ID:'s to drop bou…

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Autor: Daniel Tiefnig
Datum:  
To: exim-users
Betreff: Re: [Exim] Checking against "seen" Message-ID:'s to drop bounces
Peter Bowyer wrote:
> Some people here have discussed an alternative solution which drops a
> cryptographically-derived cookie in the return-path of all outgoing
> mail, and on the incoming side you reject null-sender mail which
> arrives to the 'bare' address, and verify the cookie otherwise.


Well, all these setups have one basic problem. If legitim mail is not
sent out via your servers, bounce mails are rejectet/dropped allthought
they should be delivered.


lg,
daniel