LiveChat
Support
Blog
Affiliates
There are many reasons for the above error.
Make sure you are using username@yourdomain.com and not username+yourdomain.com
Try removing the account in your mail client and re-adding.
If you have an anti-virus program you may need to adjust its settings to scan on arrival and send only to avoid interuptability.
How often are you checking email? You may need to extend the period between checks.
- 378 Users Found This Useful
Related Articles
Updating Outlook SSL Certificate
You may want to install SSL for your email or update an existing certificate you had installed...
Why aren't my sent emails showing up in my sent folder?
Often when we setup our iPhones and iPads we do not complete the process to truely map the phone...
How do I set up Outlook or Outlook Express 5?
Start Outlook or Outlook Express. Click Tools and choose Accounts. In the Internet Accounts...
Outlook: When Opening Outlook Express Macintosh Edition: An Error Occurred While
When you start Outlook Express for Macintosh, you may receive the following error message: An...
Is port 587 available for email sending?
Yes, port 587 is available for SMTP sending with or without TLS/SSL.
