- The IMAP inbox has two messages,
- Thunderbird syncs, and downloads both
- A new message
C, is delivered to the IMAP server.
Bis deleted from the server by a different client.
- Thunderbird syncs again, downloads
Cand deletes the local copy of
What I want is to prevent the local deletion of
B. I want it to stay locally until explicitly deleted from within Thunderbird. I understand it won't be on the server any longer, I just want to keep it locally.