Betterbird

[Now we have a problem](https://en.wikipedia.org/wiki/Houston,_we_have_a_problem) ☹️ We're basically developing BB on Windows. We've brought back the movemail feature for Linux by popular demand without actually testing it, just by putting...

Can you run this with filter logging, see https://wiki.mozilla.org/MailNews:Logging, it's the `Filters` setting. Also enable the filter log in the "Message Filter" panel.

So can you attach the log file? More important is the Mailnews:Logging referenced above.

The child logs are typically empty, but the main one isn't. You need to set `Filters` setting as I mentioned above: `$ export MOZ_LOG=Filters:5,timestamp`

OK, so this is the relevant bit: ``` 2022-11-24 14:51:07.723979 UTC - [Parent 15874: Main Thread]: I/Filters (Local) Detected new local messages on account 'Local' 2022-11-24 14:51:07.723996 UTC - [Parent...

No, you can just download http://ftp.mozilla.org/pub/thunderbird/releases/78.9.1/linux-x86_64/en-US/thunderbird-78.9.1.tar.bz2, unpack it, start it with `thunderbird -p -allow-downgrade` and select the existing profile with the Movemail account. It's however risky to run old versions...

OK, thanks for testing. Meanwhile set up movemail ourselves, just a matter of copying a mbox file to /var/spool/mail/user. One can do that repeatedly to create more (fake) incoming messages....

E-mail received into Movemail inbox with no filtering:  The same e-mail received after applying a filter that moves messages with "Folder" in the subject to a filter folder, you...

We did our testing with mbox format for the all accounts involved. Maybe you used maildir on the target folder? If you set up TB 78 on a new profile,...

Yes, that's "reverse sorting", Issue #160. We should look into that.