Email | Updated 2026
Quick Answer
Error 0x80004005 usually indicates corrupted Outlook data files or antivirus interference. Try disabling your antivirus email scanning temporarily, then repair your Outlook data file using the Inbox Repair Tool (scanpst.exe). Also verify your server settings use mail.yourdomain.com with SSL.
For complete Outlook troubleshooting steps and all error codes, see our full guide:
Correct Email Settings
Most Outlook errors are caused by incorrect server settings. Use these values:
- Incoming/Outgoing Server -
mail.yourdomain.com - POP3 Port - 995 (SSL) or IMAP Port - 993 (SSL)
- SMTP Port - 465 (SSL)
- Username - your full email address
- Authentication - enabled for outgoing, SPA disabled
For step-by-step setup: How to Set Up Email in Microsoft Outlook
This article has been consolidated into our Common Outlook Email Errors guide for easier reference.
