On 2022-11-16 at 14:14:37 UTC-0500 (Wed, 16 Nov 2022 11:14:37 -0800)
Michael Peddemors via mailop <[email protected]>
is rumored to have said:

> If a server or relay realizes that it was incorrectly added, eg that in 
> reality it isn't the final destination, it SHOULD remove it before passing it 
> on. I would further state, that if a DKIM signature is added that includes 
> Return-Path, that it be considered invalid. The question is, should that 
> relay system then simply reject the message?

Only if there is a DMARC record with p=reject.

DKIM is not a required standard part of email. Signing Return-Path is a mark of 
sender incompetence, not ill will. If we rejected all mail sent by incompetent 
senders, the Internet would be a very quiet place.


-- 
Bill Cole
[email protected] or [email protected]
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
_______________________________________________
mailop mailing list
[email protected]
https://list.mailop.org/listinfo/mailop

Reply via email to