Am 22.12.23 um 11:37 schrieb Bjoern Franke via Exim-users:
> Hi,
>
> I didn't see anything in the archives regarding this:
>
> https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/
>
>
Ok, i have issues seeing this as an "attack" at all, as you just can use
the "evil" FROM as the first one and just send one mail.
This could only be an issue, if the receiver trusts the senders
mailserver to have trusted/verified senderadresses in the first place.
BTW:
Is there any exim build-in way to overwrite the mail_header_from after
the sender has used "." and the moment the email gets transported other
than a filter?
Best regards,
Marius
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