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How do I enable SMTP Authentication in an MS Outlook Client?
Posted by - NA -, Last modified by Said Khammar on 19 June 2014 04:28 AM
OS: Windows; IceWarp Server Version: 11/10

SMTP Authentication with Outlook 2010/2013

If you are not using IMAP and have Outlook Sync installed and configured, the SMTP configuration is done automatically.

(screenshots are taken from Outlook 2010)

  • Open Microsoft Outllook2010
  • Click on File
  • Click on Account Settings
  • Click the drop down button titled Account Settings



  • Click on your email account
  • Click on the Change... button



  • Click on More Settings
  • Select the Outgoing Server tab
  • Select My outgoing server (SMTP) requires authentication
  • Select Log on using
  • Enter your username and password for your email account
  • Select Remember password



  • Select the Advanced tab.
  • Ensure the Outgoing server (SMTP) port field is set to 25 which is the default SMTP port
  • Click OK



  • Click Next
  • Click Finish
  • In the Account Settings window click Close
  • Close Outlook 2010 and restart it.


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