When you have created an e-mail address and you want to add it to an e-mail client such as Microsoft Outlook or Mozilla Thunderbird, you need the SMTP data from the server.
These details are as follows:
IMAP (incoming server)
Server: yourdomainname.com
SSL port: 993
Non-SSL port: 143
SMTP (outgoing server)
Server: yourdomainname.com
SSL port: 465
TLS port: 587
Non-SSL port: 25
POP3 (incoming server)
Server: yourdomainname.com
SSL port: 995
Non-SSL port: 110