Depending on your e-mail client you may have ability to change view settings to unread. Check that because if it was set and forgotten the emails disappear from view after they are opened. This was a problem with some older Outlook clients. Outlook 2...
I'm not sure the thread abut receiving doubles of every e-mail is relevant...every time an e-mail is sent by my Android device it shows in the sent items twice and is only received in the inbox once. The phones run on IMAP, PC and laptops on POP3. Th...
Here's another part of the puzzle for you, Roger. This am (and I noticed this event happened a few times in the past week) I sent e-mails from my Android device and the items are showing up in my sent items folder twice. This was repeated when tested...
POOF! E-mails disappeared last night from my smart phones. The Outlook clients on my two (family) laptops and desktop were not affected. I played with the smart phone settings (one Android, the other IOS) until I couldn't troubleshoot any longer. Tha...