What Are Incoming and Outgoing Mail Servers for Gmail? Gmail’s incoming mail servers are IMAP (imap.gmail.com) and POP3 (pop.gmail.com), while its outgoing mail server is SMTP (smtp.gmail.com), using secure ports such as 993 for IMAP, 995 for POP3, and 465 or 587 for SMTP. These servers allow Gmail users to send and receive emails securely through email clients like Outlook, Thunderbi... https://blog.oudel.com/what-are-incoming-and-outgoing-mail-servers-for-gmail/