Go to the settings of the third-party email program, e.g. Outlook or Windows Live Mail, that you would like to use. To add your account, you will have to enter your mail.com login information and the mail.com incoming (POP3) and outgoing (SMTP) server data.
You can find the server data on our help page POP3 Server Data.
To access your mail.com emails in a third-party email program like Outlook or Thunderbird with IMAP, you must add your account in the settings of the program you would like to use. You will be asked to enter your mail.com login information as well as the mail.com incoming (IMAP) and outgoing (SMTP) server information.
You can find the server data on our help page IMAP Server Data.