Below are the POP3 IMAP incoming and SMTP outgoing mail servers for GoDaddy, a popular Internet Service Provider. POP3 IMAP SMTP Mail Servers for GoDaddy Internet Service Provider. GoDaddy POP3 incoming mail server: pop.secureserver.net; GoDaddy IMAP incoming mail server: imap.secureserver.net (port 143 or 993) GoDaddy SMTP outgoing mail server: smtpout.secureserver.net These helpful settings can be used when you are wondering how to setup email on your desktop, tablet, and smartphone devices.