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
Unroutable mail domain
This can occur for several reasons. Make sure you have the proper spelling of the email...
550 Access denied - Invalid HELO name
The error message "550 Access denied - Invalid HELO name" means that the server you are trying to...
Outlook: The Message Could Not Be Sent - An Error Has Occurred
When you try to send an e-mail message, you may receive the following error message: The message...
Outlook: Error Message: The Message Cannot Be Sent
When you attempt to send an e-mail message in Outlook Express, you may receive the following...
Outlook: Error Message: A Connection Failure Has Occurred (Error -23012)
When you try to send and receive messages by using Outlook Express, you are able to send...
