NOTICE: MailBox Tools is not accepting new subscribers and will shutdown in August 2018. Thank you!

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Monitor any Email System

Use MailBox Tools with any Email System

MailBox Tools Email Roundtrip Test works with any email system that supports replies.

In short, MailBox Tools sends you an email from All you have to do is configure your system to send it back to Then, log in to our website and set up your Email Down ALERT.

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