Email | Updated 2026
Quick Answer
Error -199 is a message rule or filtering issue within Outlook itself. Try disabling all message rules (Home > Rules > Manage Rules), then re-enable them one at a time to find the problematic rule. This is an Outlook client issue, not a server problem.
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.
