Offlineimap erroneously deletes 10,000 emails

[seanh]

> Are you sure that the mails haven't been moved into another folder?

Yes, sure.
 
> Are you using weird options like maxage or maxsize?

No.

> Again, all I can recommend is to update to the latest offlineimap, and
> take debug logs.

I'll consider this, but I'm not sure whether I want to risk running
offlineimap again and I also suspect the problem might be
rare/intermittent so catching it again with debug logs might be
difficult.