[exim] Re: SMTP smuggling and Exim

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Auteur: Jeremy Harris
Date:  
À: exim-users
Sujet: [exim] Re: SMTP smuggling and Exim
On 12/22/23 10:37, Bjoern Franke via Exim-users wrote:
> exim is not mentioned, so it's not affected?


There's discussion as to whether it's really a useful attack.
Exim cannot be used as the first relay, but can be the second site.

As is commonly the case, the major issue is compatibility with
non-standards-conforming systems which *was* needed in the past.
Tightening the screws may break existing installations.

Some changes in that direction are already available.

--
Cheers,
Jeremy


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