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Change SMTP port in MS Outlook 2003

Last modified: July 2, 2022
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How to Change SMTP port in MS Outlook 2003?

This tutorial will show you how to alter the SMTP port in Outlook 2003. Please take the steps outlined below.

  1. To begin, open Outlook and navigate to Tools -> Email Accounts.
  2. Click Next after selecting View existing email accounts.
  3. Next, double-click the email account and select More Settings from the drop-down menu.
  4. Select the Advanced tab, where you’ll notice that the SMTP port is set to 25 by default.
  5. Click OK after changing it to 26.
  6. Finally, click Next and Finish to complete the process.

Enabling SMTP Authentication for MS Outlook 2003

  1. To begin, open Outlook.
  2. Next, go to Tools > E-mail Accounts…
  3. Then, under View or change email accounts, choose View or change email accounts.
  4. More options can be found by clicking More settings.
  5. Select the Outgoing Server tab after that.
  6. Make sure the box for My outgoing server (SMTP) requires authentication is checked. Check the “Use similar settings as my incoming mail server.” checkbox.
  7. Then, on the Advanced tab, make sure the Outgoing Port (SMTP) is set to 587 or 25 for non-SSL and 465 for SSL.
  8. Then press the OK button. Click Next. Finally, press the Finish button.
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