To set up your email account in mail clients such as Outlook, Thunderbird etc, you will need to use the following settings.

IMAP
Incoming Server: mail.domain.tld (replace domain.tld with your own domain name)
Port: 143
Username: Full email address
Password: Use the email account's password

POP
Incoming Server: mail.domain.tld (replace domain.tld with your own domain name)
Port: 110
Username: Full email address
Password: Use the email account's password

Outgoing Server
Outgoing Server: mail.domain.tld (replace domain.tld with your own domain name)
Port: 25

Enable outbound authentication should be enabled.