Re: [PATCH] pgarchives: parser: handle messages in which Message-ID is missing

Christophe Pettus <xof@thebuild.com> writes:
>> On Nov 4, 2021, at 12:47, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>> Maybe pglister should refuse to deliver messages that don't contain
>> a Message-Id.

> That seems reasonable.  If there's no message ID by the time pglister gets it, something is pretty broken along the
pathfrom the sender to us. 

FWIW, I've long used a spam filtering rule that sends anything without
a message ID, or with a forged local message ID, straight to /dev/null.
It's quite effective, and I've not seen it eat any valid traffic.

            regards, tom lane