OpenSMTPD vs testmail.app
A side-by-side look at OpenSMTPD and testmail.app. For an in-depth review of either product, follow the links below.
OpenSMTPD
Network & Admin
OpenSMTPD is an open source SMTP server daemon for Linux and BSD operating systems. It aims to be a free, secure, and featureful SMTP server for both hosting providers and end users.
smtpmail-serveremaillinuxbsdopen-source
testmail.app
Office & Productivity
testmail.app is a simple, easy-to-use email testing application for macOS. It allows you to send and receive test emails without connecting to an email server.
emailtestingmacos
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