Kopano vs OpenSMTPD
A side-by-side look at Kopano and OpenSMTPD. For an in-depth review of either product, follow the links below.
Kopano
Office & Productivity
Kopano is an open-source groupware suite that provides email, calendaring, contacts, tasks and file sharing. It is designed as an alternative to Microsoft Exchange Server and Outlook.
emailcalendarcontactstasksfile-sharingopen-source
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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