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.
- 535 Users Found This Useful
Related Articles
Setup email on Android device
To setup email on Android first open your device's email app. If you already have an email...
How can I setup my email for Everyone Dot Net
Simply go into your control panel, click mail, modify mail exchanger and you can change your mx...
Outlook: A Filtering Error Has Occurred -199
When you open Outlook Express 4.5 for Macintosh, or you attempt to send or receive mail, you may...
Outlook: Error Message: An Unknown Error Has Occurred
When you attempt to send a message in Outlook Express, you may receive the following error...
Can I add and create email addresses or add aliases?
In the control panel go to Mail. There you can create email accounts, remove, read (webmail, add...
