[Outages-discussion] [outages] not quite an outage, more a hack, "Urgent: Threat actor in systems" emails from FBI infrastructure

[Grant Taylor]

On 11/13/21 10:45 AM, Jay R. Ashworth wrote:
> procmail has that built in, I think, and I'd thought Mailman did as 
> well, but perhaps I'm mistaken.

I'm not recalling procmail having that functionality.  The things that 
come to mind are procmail recipes calling formail to do the uniqueness 
test.  But there's a chance that I'm overlooking something.

> Such a filter would, of course, have to go on the input side of 
> ... well, maybe it wouldn't.  I've never actually given any thought 
> to how Mailman handles Message-ID.  I expect Jared will know off-hand, 
> though.

I think it would be considerably more efficient to have unique 
Message-ID: filter on the input side than the output side of an expander 
(mailing list).  But either could work.



-- 
Grant. . . .
unix || die

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4013 bytes
Desc: S/MIME Cryptographic Signature
URL: <https://puck.nether.net/pipermail/outages-discussion/attachments/20211113/bc76f17e/attachment.p7s>