[Mailman-Users] Spam / Email Spoofing Problem (SPF check possible?)
gtaylor at tnetconsulting.net
Fri Apr 5 23:35:02 EDT 2019
On 4/5/19 11:59 AM, Valentin Schwarze via Mailman-Users wrote:
> Are there any settings that we as administrators of the list could
> change to end that behavior? For example, is it possible in any way,
> that Mailman only accepts emails that passed a SPF check? Or any other
> option to prevent email with forged sender adresses to be distributed
> through the mailman list?
As Mark and Carl have stated, you are better off implementing email
hygiene in your MTA and only passing clean messages to Mailman.
Note: SPF by itself won't do anything to protect against From: header
spoofing. I would suggest that you also look into DKIM and particularly
Grant. . . .
unix || die
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