You need to use the same username and password as your pop3 email settings, ie:
username: root@yourdomain.co.uk
password: yourpassword
The server you need to use will not be the same for all customers, you can find out which one to use on this website:
authsmtp.streamline.net
You will need to make sure that you have enabled authenticated SMTP.
For guidance using these settings within Outlook and Thunderbird please see these links:
Outlook Guide
Thunderbird Guide
This article was last updated on 29/11/2007.
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