It was one message in one account. But there was a problem with my ISP. I don't know what it was, but all of my email eventually started coming down. I can no longer reproduce the problem. This issue is closed. Thanks for your help.
** Changed in: mozilla-thunderbird (Ubuntu) Status: Confirmed => Invalid -- Get Mail only retrieves one message at a time https://bugs.launchpad.net/bugs/240093 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs