When activating the offline mode setting inside an IMAP account the previously non-cached emails are not reloaded. Instead only new messages are added to the cache. Reproducible: Always Steps to Reproduce: 1. Create an IMAP account with offline mode disabled 2. download the mail headers 3. activate the IMAP offline mode Actual Results: the previously loaded emails are not cached. Only mails that are received after offline mode activation are cached locally. Expected Results: All messages that where not cached previously are reloaded and added to the cache.
seems to be fixed in 4.11