

In Apple Mail, under Inbox, select the mailbox you want to change.

Mail stopped working immediately after upgrading your Mac OS version There’s a problem with your outgoing server or port settings. You can receive mail, but can’t send mail You see the error: Cannot send message using the server The sender address was rejected by the server See Using incorrect POP or IMAP settings, Using wrong server address, and Ports are blocked above. There’s a problem with your incoming server or port settings. You can't receive mail You see the error: The mail server is not responding Update your Apple Mail settings, being sure that any:

If you also see Incoming Server (IMAP), you should use IMAP to set up your account. If you see only Incoming Server (POP3), you must use POP to set up your account.Go to your Email Setup Center, look under Email Server Settings.Update your account settings in Apple Mail.If still unsuccessful, reset your password.If unsuccessful, double-check your email address with your account administrator, and try again.Go to, and log in with the email address and password you used to set up your account.If you cannot access your email on Workspace webmail, your email account may be email client accessible only. If you need immediate access to your email account, log in through Workspace webmail. If you’re having trouble with receiving or sending your Workspace email, using Apple Mail on Mac, see below for some helpful troubleshooting steps.
