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Editors' Review · October 21, 2026

Streamlined Email Testing with MockSMTP for Mac

MockSMTP is a free, native email handling application designed for Mac users, particularly beneficial for developers. This tool simplifies the process of testing emails by providing a straightforward interface for sending and receiving emails without the complexities of traditional SMTP configurations. It allows users to preview both plain text and HTML formats side by side, facilitating the creation of visually appealing email content. The application works seamlessly offline and online, making it a versatile option for developers who need to test email functionality in various environments.

Despite its advantages, MockSMTP is limited to specific Mac OS versions (10.7, 10.5, andand lacks many features found in more robust email clients. While it is a great tool for those familiar with programming languages like Python or Node, non-programmers may find it less useful due to its technical nature. Additionally, users should note that the app is no longer actively supported, which could pose challenges in terms of future updates or compatibility.

Enlarged image for MockSMTP
MockSMTP 0/1

Technical

Title
MockSMTP 1.5.1 for Mac
Language
English
Available languages
English
License
Free
Latest update
Author
xilinus

Program available in other languages



Changelog

We don’t have any change log information yet for version 1.5.1 of MockSMTP. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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