[Rspamd-Users] Prevent sender address spoofing envelope/header FROM

[G.W. Haywood]

Hi there,

On Mon, 22 Jan 2024, Taco de Wolff wrote:

> ...
> While SPF verifies the envelope FROM address, and DKIM signs the message,
> it is DMARC that enforces the header FROM address which makes it sent to
> spam at the destination server. ...

How do you know that?  That's certainly not how the filters work here.

Are you saying that you know how the spam filtering works on all the
servers which receive mail from yours?

> ... what if we enable it so that it verifies DMARC locally before
> sending out. ...

Would it not be better to address the problem at its source?

-- 

73,
Ged.