On 4/5/2019 10:59 AM, Valentin Schwarze via Mailman-Users wrote:
We happend to have some spam
issues on our mailman lists. These spammers were able to send emails on
our lists through mail spoofing (only faking the From: field in the
header is sufficient to get accepted).
Do you have any mail/virus scanning in the pipeline before mailman? They're
usually better tools for the job.
PS: Used Mailman Version is 2.1.18
Consider upgrading to the current version, too.
(Looks like Mark just posted about this, too.)
z!
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