GitHub - georgjf/SMTPtool: A slim .NET based UI tool to communicate with SMTP servers and to quickly compose, mail and remail messages
GitHub - Nilhcem/FakeSMTP: Dummy SMTP server with GUI for testing emails in applications easily.
![SMTP Server: In-Depth Guide & Answers to FAQs [2023]](https://mailtrap.io/wp-content/uploads/2023/02/How-SMTP-server-works.jpg "SMTP Server: In-Depth Guide & Answers to FAQs [2023]")
SMTP Server: In-Depth Guide & Answers to FAQs [2023]
Fake SMTP Server for Testing by Mailtrap
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