Apache Vysper vs OpenSMTPD
A side-by-side look at Apache Vysper and OpenSMTPD. For an in-depth review of either product, follow the links below.
Apache Vysper
Network & Admin
Apache Vysper is an open source XMPP server written in Java that can be embedded into Java applications to provide instant messaging and presence capabilities.
xmppserverjava
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
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