Diagnose SMTP connectivity issues and verify email server configurations. View real-time server logs, test SSL/TLS settings, and authenticate credentials instantly. Ideal for system administrators and developers troubleshooting email delivery problems.
1.0.1
February 3, 2026
Thank you! Really glad the app helped you fix the email config issue so quickly. That’s exactly what we built it for.
MailCheck is a diagnostic tool designed for system administrators and developers to test and debug SMTP server connectivity. It helps identify issues with email delivery by providing real-time server logs and testing configurations.
No, MailCheck is privacy-focused and does not store your passwords. Credentials are held only in volatile memory during the session and are wiped immediately upon app termination.
MailCheck can connect to any SMTP server, including popular services like Gmail, Outlook, and Office365, as well as custom servers. It allows for instant verification of connectivity.
MailCheck automatically toggles between SSL/TLS (port 465), STARTTLS (port 587), and Plain Text (port 25) based on your selected port. This simplifies testing various secure and non-secure connections.
Based on the provided data, MailCheck is supported on iPhone and iPad. Information regarding Android compatibility is not available.
MailCheck is a paid application priced at $2.99. There are no in-app purchases or subscription fees mentioned.
MailCheck was last updated on February 3, 2026, with version 1.0.1. This indicates a recent release, and further updates may follow based on developer activity.
No, MailCheck is ad-free. The app is described as lightweight and built for speed, with no advertisements included.
