How to enable SMTP Authentication

Microsoft Outlook Express

  1. Select Tools and then Accounts.
  2. Click the Mail tab.
  3. Select the account you want to to enable authentication on and choose Properties.
  4. Click the Servers tab.
  5. Select the “Outgoing Server” Tab
  6. Tick “My server requires authentication”.
  7. Click the Settings button.
  8. Ensure you also select the “Use same settings as my incoming mail server” option.
  9. Choose Apply.
  10. Choose Close.
  11. Choose Close.

Microsoft Outlook XP and 2003

  1. Select Tools and then Email Accounts
  2. Highlight View or change existing e-mail accounts then Choose Next.
  3. Select the account you want to to enable authentication on and choose Change.
  4. Choose More Settings.
  5. Select the Outgoing Server Tab
  6. Tick My outgoing server requires authentication.
  7. Ensure you also select the Use same settings as my incoming mail server option.
  8. Choose OK.
  9. Choose Next.
  10. Choose Finish.

Mac Mail Client OSX 10.4 upwards

  1. Choose the Mail menu and click Preferences.
  2. Choose the Accounts tab
  3. Click the arrow box on the Outgoing Mail Server (SMTP) pop-up list and choose Add Server.
  4. In the Outgoing Mail Server field enter your SMTP mail server address.
  5. Select the check box on the Authentication list and choose Password.
  6. In the User Name field, enter your full email address or username.
  7. In the Password field, enter your e-mail password.
  8. Click OK.
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