Comment 16 for bug 204550

(In reply to Shi Sherebrin from comment #10)
> In reply to Wayne's question (sorry for the delay in my reply), copying
> tagged messages between folders on the server (IMAP) or from the server to a
> local folder does not seem to cause loss of those tags any more.

for a different view, Bug 760856 - After moving local folder to IMAP folder, tags of contained mail messages are lost

> However,
> after reading [bug 378973] I tested and found that my local tags were lost
> after deleting the containing folder's .msf file. Furthermore, when I look
> at the message source (both on the server as well as local) I do not see any
> X-Mozilla-Keys headers. I'd be happy to file this info under that bug, but
> I saw that it was closed as resolved. I'm using v3.1.5, and could not find
> a field showing which version fixes this issue so I have no way to tell what
> behaviour to expect.
>
> Thanks!

Shi, we would want you to confirm this behavior using a current version, eg TB14/TB15. That said, I've seen such a bug report somewhere - can't find it ATM. :( I see only an imap example - bug 392510