Outlook Email Sending Issue

I'm experiencing an issue with Outlook where I'm unable to send emails, although I can still receive them. I do not receive any error messages when attempting to send. I have not changed any account settings or passwords recently. However, I can send emails using a different email client.

Requirements

- Diagnose and fix the issue preventing me from sending emails on Outlook. - Ensure that my account settings are correctly configured. - Verify that no other underlying issues are causing this problem. Ideal skills and experience: - Proficiency in troubleshooting Outlook email issues. - Experience with email account configurations and settings. - Ability to resolve authentication or connectivity problems. - Good communication skills to explain the solution and ensure everything is working correctly after the fix.