[Mimedefang] Rejecting forged senders - comments?

[Johan Sleeuwenhoek]

I'm configuring a similar setup and was wondering whether it is
possible to put it in filter_helo?

2006/9/19, Cormack, Ken <ken.cormack at roadway.com>:
> I'd like to see if anyone has any comments on an idea to block spam from
> forged senders who claim my domain in the sender address.  I'm assuming
> something like this could (or should?) be done for both the SMTP "MAIL
> FROM:" and the "From:" in the header.
>