Laravel App Email Functionality Repair

I'm experiencing issues with my Laravel app – specifically, the email functionality. Emails are not being sent at all, and there's no error message appearing. This is proving to be a significant hindrance. The app is configured to send emails through SMTP, and I'd like to have this issue fixed promptly.

Ideal Skills and Experience:
- Proficient in Laravel
- Extensive experience with SMTP
- Strong troubleshooting skills
- Ability to work efficiently under pressure