I can't download e-mail. Error says Your IMAP command could not be sent to the server, due to non-network errors.Another error that comes up is "Your server has unexpectedly terminated the connection. possible reasons for this include long periods of inactivity or........These messages have come up in the last 2 days only.

What mail client are you using and who supplies your mailbox?Brian Tillman [MVP-Outlook]--------------------------------https://mvp.support.microsoft.com/profile/Brian.TillmanIf a reply helps, please vote it as helpful. If a reply solves the issue, please mark it as an answer.

The 'Send' portion of your E-mail service.......is correct, BUT, the 'RECEIVE' portion is not.The one that your ISP provider gave you, that is..................it may be SEND: mail.dot.com RECEIVE: mail.dot.comYou may have typed this last part wrong, used a COMMA (,) instead of a FULL STOP (.)That's all it takes, to mess up your e-mails!