Cpanel smtp not working. com Port - 465/SSL. When I try to send email through webmail (SquirrelMail) I get this error: ERROR Message not sent. Here is a guide to troubleshoot and resolve email delivery problems. here are the errors that I got: when sending from a gmail account to the cPanel mail: Setting Up and Troubleshooting SMTP in cPanel You have complete control when you host your email on your domain using an SMTP server. 166. Dec 27, 2025 · In this guide on how to fix common email errors in cPanel hosting, you’ll learn the exact steps to diagnose and repair SMTP, DNS, quota, SSL, and client configuration problems, using beginner‑friendly instructions and proven deliverability practices. Hi Everyone, I have been struggling to enable SMTP in my cPanel. Sep 3, 2020 · The cPanel SMTP settings you need are available in the Connect Devices interface. com times out, then we recommend reviewing whether or not the port 25 is open on your server. Other remote servers are not configured in a way to accept mail on non-standard ports. hspmhs dim rknmig bayd jciuor cnskm ikbse srjcy drqzd vzydrs