Email Signing Purpose

Verifies sender identity. Ensures message integrity. Required for some communications. Proves authenticity of sender.

Outlook Configuration

Set signing certificate in options. Configure for automatic signing. Test with known recipient. Check certificate selection.

Certificate Selection

Use email signing certificate. Not encryption certificate. Verify correct cert selected. Check expiration dates.

Recipient Verification

Recipients see signature status. Valid signature shows verified. Issues display warnings. Send test messages to verify.