OpenSMTPD Alternatives
OpenSMTPD
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol.
Best OpenSMTPD Alternatives
Looking for a program that is like OpenSMTPD? We have our top picks here. If you need another program that has some of the features of OpenSMTPD on your device, read what we recommend in this post.
Haraka
FreeOpen SourceSelf-HostedNode.JSHaraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing Javascript programmers...
OpenSMTPD Reviews
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