A simple rebuild of mailboxes can fix message handling problems.
Yahoo's open-source e-mail and calendar software is scoring even more paid mailboxes, but it faces an uphill climb to the enterprise.
Messages disappearing from Mail.app mailboxes -- Archive and Install to blame in some cases
Zimbra has been growing at a torrid pace. How torrid? Perhaps $66 million worth.
Microsoft has landed an interesting partnership in which 25,000 post offices in Japan will...
There is a quick fix if Mail in OS X does not properly report the number of unread messages in its dock icon.
If you have been accessing your saved drafts on Mail for iOS via the accounts screen, then you are doing it wrong. There is a better way.
Do very important people e-mail you? If so, then you need to set up your VIP list for the Mail app in iOS 6.