Mac Mail App This Account Already Exists

  1. Mac Mail App This Account Already Exists On Your Device Gmail
  2. Mac Mail App This Account Already Exists Online
  3. Iphone Mail Account Already Exists
  4. Microsoft Account Already Exists

Mac Mail App This Account Already Exists On Your Device Gmail

Thought I had it already, Conflict of an Apple ID address using a setup of an email account under the same email. Past that was times, in my Mac Book by 2011 It's always still so only recently it won't do. Thanks to all your post now well.

Mac Mail App This Account Already Exists Online

Address

Iphone Mail Account Already Exists

Microsoft

Microsoft Account Already Exists

Since yesterday (18 Oct 16) I have been unable to delete messages from Mail. The following message pop up window appears each time I attempt to delete a message:
The message (message title) could not be moved to mailbox 'Trash - On My Mac'
437257.emix couldn't be copied to 'Message' because an item with the same name already exists
Prior to hitting the delete button I empty the Trash. After acknowledging the above message I check the Trash, either On MY Mac of iCLOUD, and see that a message with that name has been created. The message content has nothing to do with the title, though. I suspect I have some sort of Mail virus in the Mail app. I am running my anti-virus scan. Any suggestions about how to fix this Mail problem?