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 _______________________________________________ mailmate mailing list mailmate@lists.freron.com https://lists.freron.com/listinfo/mailmate