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AT&T Mail IMAP and SMTP settings

The servers, ports and password you need to add AT&T Mail to any mail app, checked against AT&T's own help pages.

Updated October 18, 2026

AT&T addresses (att.net, sbcglobal.net, bellsouth.net and more) use these servers. Mail apps that sign in with a password need an AT&T secure mail key.

AT&T Mail IMAP and SMTP settings

SettingAT&T Mail
IMAP (incoming) serverimap.mail.att.net
IMAP (incoming) port993
IMAP (incoming) encryptionSSL/TLS
SMTP (outgoing) serversmtp.mail.att.net
SMTP (outgoing) port465
or 587
SMTP (outgoing) encryptionSSL/TLS
UsernameYour full AT&T email address
PasswordA secure mail key, not your AT&T password
AuthenticationNormal password

Make a secure mail key

  1. Open your AT&T profile. Sign in at att.com and go to your sign-in info.
  2. Create a secure mail key. Make one for your email address and copy it.
  3. Use it as the password. Paste it into your mail app instead of your AT&T password.

Use AT&T in GotEmail

In GotEmail, choose Add Account, then Other (IMAP), and type the settings from the table: the IMAP and SMTP servers, their ports and encryption, your username and password. GotEmail checks them as you sign in and tells you what to fix if a server says no.

Good to know

  • The same servers work for att.net, sbcglobal.net, bellsouth.net, pacbell.net, prodigy.net, swbell.net and AT&T's other email domains.

Checked against AT&T's own help pages: AT&T POP3 and IMAP email settings, Get AT&T Email on a wireless device.

Questions

What is the IMAP server for AT&T Mail?

AT&T Mail's IMAP server is imap.mail.att.net, port 993, with SSL/TLS encryption.

What is the SMTP server for AT&T Mail?

AT&T Mail's SMTP server is smtp.mail.att.net, port 465 with SSL/TLS, or 587.

Why do I need an AT&T secure mail key?

AT&T asks mail apps that don't use its OAuth sign-in to use a secure mail key in place of your password.

Do sbcglobal.net addresses use the same settings?

Yes. AT&T lists the same servers for its other email domains.

Skip the settings.

GotEmail fills in AT&T's servers for you, and keeps every account in one fast, private Mac app.