How to connect mailbox with Gmail?

Here are instruction explaining how to add email address (one or more) to Gmail.
https://support.google.com/mail/answer/22370?hl=en

During set up process you will be asked to provide the following details Incoming and Outgoing mail servers (Host name, Port number, Username and Password). These details can be obtain from you hosting company.

 

If you are hosting your mailbox with us please use these settings below.

Incoming mail server (POP3/IMAP)

  • Host name: Your domain name e.g. example.com
  • Port number: The POP3 port is 110. The IMAP port is 143
  • Username: Your email address e.g. info@example.com
  • Password: The one you use to login to your mailbox

 

Outgoing mail server (SMTP)

  • Host name: Your domain name e.g. example.com
  • Port number: The SMTP port is 25
  • Username: Your email address e.g. info@example.com
  • Password: The one you use to login to your mailbox