BUG: sieve does not set seen-Flag

[Michael Slusarz]

> On December 4, 2018 at 8:48 AM Jakobus Schürz <wertstoffe at nurfuerspam.de> wrote:
> 
> I have an additional information.
> 
> Moving a already seen messsage to another imap-folder (drag&drop in
> thunderbird) shows this email in the other folder as unseen and recent.
> 
> Is this normal behaviour?

Depends on what Thunderbird is doing.  If it is doing a COPY, flags will be preserved per IMAP spec.  If it is doing an APPEND, then Thunderbird would be responsible for transferring the flags (and clearing the recent flag) to match COPY semantics.

michael