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![The 20 Best Email Testing Tools You'll Need In 2023 [Free & Paid]](https://moosend.com/wp-content/uploads/2021/07/mail-tester-email-testing-tools.png "The 20 Best Email Testing Tools You'll Need In 2023 [Free & Paid]")
The 20 Best Email Testing Tools You'll Need In 2023 [Free & Paid]
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GitHub - georgjf/SMTPtool: A slim .NET based UI tool to communicate with SMTP servers and to quickly compose, mail and remail messages
