I haven't tried it yet, but I would think that gmail+imap is a combination which really exposes the worst bug in osso-email: osso-email ignores the imap 'message already read' flag. So, you have a bunch of messages sitting unread in your osso-email display, and then it just so happens that you are at a desktop and you read the messages with your browser. Or mark them read or whatever. osso-email won't notice.. they'll all look as 'unread' there.

For my work mail I've found that the only way to cope with this is to massively delete off mails as soon as they are read. With gmail the idea is to not delete anything (spam excepted).. which is why I think gmail+imap+osso-email isn't going to be a particularly nice experience. So, for my private gmail account I'll stick to gmail-notifier for the time being.

Thanks for telling us though, that gmail can now be used with imap is good news for those of us looking into combining gmail with other mailers (desktop mailers, and, not to forget, the tablet claws-mail version of course!).