How to Fix Email Not Sending from cPanel Email
Quick Summary
If your email account receives messages but cannot send, the issue may be caused by SMTP settings, password, port blocking, authentication, or DNS records.
Common Causes
- Wrong SMTP server
- Wrong SMTP port
- Wrong password
- SMTP authentication disabled
- Local network blocks SMTP port
- Mailbox suspended
- Domain DNS issue
- Email client misconfigured
Recommended SMTP Settings
SMTP server:
mail.yourdomain.com
Username:
Your full email address
Password:
Your email password
SMTP SSL port:
465
SMTP TLS port:
587
Authentication:
Required
Step 1: Check Password
Try logging in to webmail.
If webmail login fails, reset the email password from cPanel.
Step 2: Check SMTP Settings
Make sure your mail app uses:
- Full email address as username
- Correct password
- SMTP authentication enabled
- Correct SMTP port
Step 3: Try Port 587
Some networks block port 465 or 25.
Try SMTP port:
587
with TLS.
Step 4: Check Email Client
Remove and re-add the email account if settings are incorrect.
Step 5: Check Webmail
Try sending from webmail.
If webmail sends successfully, the issue is likely with your email app settings.
Common Problems
Problem: Webmail sends but Outlook does not.
Solution: Outlook SMTP settings are likely wrong.
Problem: SMTP authentication error.
Solution: Use full email address and correct password.
Problem: Connection timeout.
Solution: Try port 587 or check local network restrictions.
Need Help?
Open a support ticket:
