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How can I troubleshoot issues with emails getting stuck in the Outbox in Outlook for Exchange?

< 1 min read

  1. Check if you have an active connection to the Exchange server.
  2. Verify the mail server (SMTP) settings.
  3. Check for outdated or incorrect Outlook versions.
  4. Check if the issue is caused by Antivirus/Firewall.
  5. Check if some rules configured on Outlook are preventing email from being sent.
  6. Check if the message size is too large.

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