On Wed Terje wrote
In theory an MTA can server up web pages and wash laundry also. However
it's
You know what, MTA's today are good at is transmitting spam. Are you
suggesting they just stick to that or, do we make some changes.
It's all very well to let the MUA block it but what if you get 100 spams to
every real email.
That means your email costs just got multiplied by 100.
Your are not solving the problem by using MUA filtering.
And what do you do when the MUA blocks, you can't reject it's too late, so
you're going to pester the poor sucker that got joe-jobbed for not
publishing spf records.
You need to change your thinking from "accept & bounce" to "reject"
Rejecting can only be done by the MTA. Rejection puts the emphasis onto the
sender to prove their authenticity.
dave