LiveChat
Support
Blog
Affiliates
First try restarting your computer. If the error persists try removing the mail account from your mail client, close it, and re-add it.
Email Configuration Tutorials
You will also want to make sure your Internet Service Provider is not blocking port 25 access outside their own service. By opening a shell/command prompt and typing "telnet mail.yourdomain.com 25" you should be able to reach it. If not, your ISP or software you have installed is blocking your access.
Now as an available option you may use port 50 as an alternative port for sending mail via SMTP.
- 529 Users Found This Useful
Related Articles
How do I make Outlook leave a copy of my messages on the server?
With Microsoft Outlook, it's possible to leave a copy of each message on the mail server after...
cPanel and Outlook Phone App Results in Unable to Log In - Secure Connection Unavailable
It appears the free Outlook app for iOS and Android phone does not support newer SNI based...
Is port 587 available for email sending?
Yes, port 587 is available for SMTP sending with or without TLS/SSL.
Outlook: Error 0x800CCC0D/E
The connection to the server has failed. First make sure you are using the proper format:...
Is there a way to log directly into one webmail application?
Provided below is how the addresses should appear for each of the three webmail programs....
