I find this seems to happen with mails larger than a certain size. But it may be some other aspect of the mail.
See: Bug #865461 (and a few other potential duplicates) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to evolution in Ubuntu. https://bugs.launchpad.net/bugs/1254024 Title: evolution does not display active email To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1254024/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
