OK, updated. If you use Microsoft Outlook click Tools, E-mail accounts, Select View or change accounts and click next. Click on your pcdoctors mail account and click Change. Click More Settings, then click Outgoing Server tab. Tick the box "My outgoing server (SMTP) requires authentication" and mark "Use same settings as my incoming mail server". Click ok then click 'Test account settings". If all is ok, you will receive a test mail.
For Outlook Express click Tools, Accounts, click the Mail tab. Click on your mail account and then click Properties. Click the "Servers" tab. At the bottom of the page tick the box "My server requires authentication". Click apply, and then click ok. Click close to close account settings. Close Outlook Express and then re-open.
SMTP: mail.pcdoctors.co.za (requires authentication)
(username is full e-mail address)
Password: yourpassword (if you don't know or have lost your password, please mail or PM me)
Hope that helps! ;)