[Mailman-Users] Nonsubscribers attacking one of my lists.
heller at deepsoft.com
Sat Jan 19 21:55:17 EST 2019
At Sat, 19 Jan 2019 13:58:08 -0800 "Kenneth G. Gordon" <kgordon2006 at frontier.com> wrote:
> One of my forums has suddenly been inundated with posts to the list by non-subscribers,
> most of which seem to be coming from some homosexual list somewhere.
> These seem to be coming from every place in the world.
> I receive notices from Mailman every time I check my e-mail listing of 4 to a dozen
> non-subscribers attempting post to the forum, and I have to go to my admin database and
> remove and block each one.
> Is there some way to prevent these jerks from showing up in the database at all?
Check the message headers -- there might be common patterns. Look for
Received: headers with "unknown" -- this is a giveaway that the messages are
using spoofed From: headers. Also look at the From: address, sometimes these
messages are coming from partitular domains.
There are spam filters and sender filters. When the regexp matches, one
option is to *silently* discard the message.
*If* you have access to the inbound MTA's configuration, there are things
there that can drop or bounce the messages at that point.
> Ken Gordon
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Robert Heller -- 978-544-6933
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