On 19/08/2023 16:29, Victor Ustugov via Exim-users wrote:
> But
> this won't work if there is no Message-ID header in the original email.
You can safely block any external-source messages lacking a
Message-ID header (local ones, where you're being an MSA,
not so; some MUAs are dumb and the MSA has to fix then up.
Exim does that).
RFC 5322 only lists this as a SHOULD (section 3.8.4) -
but I see it as spamsign.
--
Cheers,
Jeremy
--
## subscription configuration (requires account):
##
https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/
## unsubscribe (doesn't require an account):
## exim-users-unsubscribe@???
## Exim details at
http://www.exim.org/
## Please use the Wiki with this list -
http://wiki.exim.org/
