Outlook Error – 0x80042109

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Usually, this Error Code 0x80042109 appears while users try to send emails via Outlook. Their outgoing emails fail to reach the recipient, and they see an error message about problems on the email server on their screen.

Below are the solutions that may be help you to get rid of error 0x80042109:

https://learn.microsoft.com/en-us/answers/questions/836058/outlook-error-0x80041209

Error code 0x80042109 in Microsoft Outlook usually indicates an issue with your email account settings, network connection, or antivirus software. Here are some solutions you can try to fix the error:

  1. Check your internet connection: Make sure you are connected to the internet and try sending the email again.
  2. Check your email account settings: Verify that the email account settings in Outlook are correct. Go to File > Account Settings > Account Settings and double-check the settings for your email account.
  3. Disable antivirus software temporarily: Antivirus software can sometimes interfere with email sending. Try disabling your antivirus software temporarily and then send the email again.
  4. Change the port number: Try changing the outgoing server port number from the default port 25 to port 587. To do this, go to File > Account Settings > Account Settings > More Settings > Advanced and change the outgoing server (SMTP) port number.
  5. Repair Outlook: If the above solutions do not work, try repairing your Outlook installation. Go to Control Panel > Programs and Features, select Microsoft Office, and click Change. Select Repair and follow the prompts.
  6. Contact your email provider: If none of the above solutions work, contact your email provider for assistance.

I hope one of these solutions helps you fix the error and send your emails successfully.