[MlMt] Thread-Id

[leo]

On 12 Feb 2022, at 11:33, leo wrote:

> MailMate offers me the field „Thread-Id`“ for mailing list thread related filtering. This works well.
>
> However I would like to convert some of my mailing list logic from the client (MailMate) to the mail server (via a sieve script). But in the raw message of, let’s say, the MailMate mailing list I cannot find a header `thread-id` or similar.

Just as a follow-up, here I paste what Benny told me about this issue in a direct email:

On 15 Feb 2022, at 22:19, Benny wrote:

>> What mail header does the Thread-Id field use?
>
> It's an internal virtual header. It is based on an analysis of Message-ID, In-Reply-To, and References. You would have to do something similar server-side to identify threads.

How cool is that: A very handy feature which you get only in MailMate!

Happy MailMating,
Leo