If you decide to use an email client, such as Microsoft Outlook Express, MS Outlook, Mozilla Thunderbird and Eudora, here are the settings you need:

Incoming mail server (POP3/IMAP server): mail.yourdomain.com

Outgoing mail server (SMTP server): mail.yourdomain.com Or Host: mail.yourdomain.com

Username: the full e-mail address. Example: username_yourdomain.com instead of username.

Password: Assigned in cPanel -> Email -> Manage/Add/Remove Accounts.

SMTP authentication must be enabled for the login to be successful.

Please do not use secure authentication to your mail server.

Email ports:

The POP3 port for inbound emails is 110
And the IMAP port for inbound emails is 143
The SMTP port for outbound emails is 587.