Att.net Config.txt May 2026

Always ensure "Use SSL" or "SSL/TLS" is checked for both incoming and outgoing servers.

AT&T strongly recommends using over POP3 because it synchronizes your email actions (like reading or deleting) across all your devices. IMAP (Recommended) POP3 (Traditional) Incoming Server imap.mail.att.net inbound.att.net Incoming Port 993 (SSL/TLS) 995 (SSL/TLS) Outgoing Server smtp.mail.att.net outbound.att.net Outgoing Port 465 or 587 (SSL/TLS) 465 (SSL/TLS) Username Your full email address Your full email address Password Secure Mail Key Secure Mail Key The "Secure Mail Key" Requirement ATT.NET CONFIG.txt

Copy this key and paste it into the field of your email app. Configuration Checklist Always ensure "Use SSL" or "SSL/TLS" is checked