Summary: How to enable SMTP Authentication on Outlook 2010.

If you use Outlook 2010 on a laptop, you may have noticed that you can't send emails when connected to a different network (e.g. when on holiday or at a friends house). This happens because our servers only allow Plusnet customers to use them. If you're connected to a different network, the server can't tell you're a customer. We'll show you how to fix this problem by switching on SMTP authentication.

  • We do not recommend using public Wi-Fi hotpots to check or send email. Find out more in our Wi-Fi security tips guide
  • This service is not available to customers with a free dial-up account
  • If you have multiple email accounts set up, you'll need to follow these instructions for each one
  1. In Outlook 2010, go to the File tab, make sure Info is selected from the left menu and select Account Settings.

    In Outlook 2010, go to the File tab, make sure Info is selected from the left menu and select Account Settings.
  2. Select the email account you want to check or edit from the list and click Change...

    Select the email account you want to check or edit from the list and click Change...
  3. Click More Settings...

  4. Click More Settings...
  5. Select the Outgoing Server tab and tick My Outgoing server (SMTP) requires authentication. This will allow you to select Use same settings as my incoming mail server.

    Select the Outgoing Server tab and tick My Outgoing server (SMTP) requires authentication. This will allow you to select Use same settings as my incoming mail server.
  6. Finally, click Next to finish editing your settings.

That's all you need to do! From now on you'll be able to send email from any network you connect your computer to.

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This page last updated 15th March 2012

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