1. Please make sure that you enter MAILACCOUNT@yourdomain.com as login name (not just MAILACCOUNT). This is the username format for all email accounts.
2. Please double check and make sure you are entering the correct username, password and domain name (in mail.yourdomain.com).
3. Make sure you entered correct Incoming Mail Server and Outgoing Mail Server:
Incoming Mail Server: mail.yourdomain.com
- IMAP Port: 993
- POP3 Port: 995
Outgoing Mail Server (SMTP): mail.yourdomain.com
- SMTP Port: 465
4. Make sure that your domain has fully propagated and is resolving to your account. It can take up to 3 days after changing the nameservers before your domain is fully propagated.
5. Please make sure that your account is not over its disk space quota. You can check the domain's total disk space usage as well as a mailbox's individual disk usage in your Cpanel.
