The manual settings for the email accounts will be as below.
**Secure SSL/TLS Settings (Recommended)**
Username : xyz@domainname.com
Password : Email account's Password.
Incoming Server : mail.domainname.com
IMAP Port : 993
POP3 Port : 995
Outgoing Server : mail.domainname.com
SMTP Port : 465
IMAP, POP3, and SMTP require authentication.
Please use the email ID you wish to configure instead of xyz@domainname.com and domainname.com should be replaced with the exact domain name. If the domain has no SSL configured, you can issue a free SSL certificate using let's Encrypt.
You can also find those settings for POP and IMAP can be found in cPanel under Email Accounts > Connect Devices
This server requires an encrypted connection "SSL"
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