Outlook Express is setup to use Secure Password Authentication.
Go to 'Tools' -> 'Accounts...' -> 'Mail' -> 'Properties' -> 'Servers'. Uncheck the option for Secure Password Authentification.
- 480 Users Found This Useful
Related Articles

Outlook Express is setup to use Secure Password Authentication.
Go to 'Tools' -> 'Accounts...' -> 'Mail' -> 'Properties' -> 'Servers'. Uncheck the option for Secure Password Authentification.
The error message "550-not permitted to relay through this server" means that the server you...
When you try to send and receive e-mail, you may receive one of the following error messages:...
This can occur for several reasons. Make sure you have the proper spelling of the email...
It is possible your internet service provider may be blocking you from sending email outside of...
When receiving the error, The host yourdomain.com could not be found, the POP3/IMAP (incoming...