RE: How to: Change Message-ID header.

"[email protected] [blat]" <[email protected]> 07 Sep 2017 20:57:14 +0000

Newsgroups	gmane.mail.blat
Message-ID	<[email protected]>

I noticed that some Spam filters seem to pick up on the 'blat' portion of the message-id. Is there any way to supply a custom header?