Skip to content

OpenSMTPD vs si.Mail

A side-by-side look at OpenSMTPD and si.Mail. For an in-depth review of either product, follow the links below.

OpenSMTPD

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
si.Mail

si.Mail

Office & Productivity

si.Mail is an email client and personal information manager designed for simplicity and ease of use. It includes features like intuitive interface, email, contacts, calendar, notes, tasks, document storage, and more. si.Mail focuses on providing a straightforward email and personal productivity solution.

emailcalendarcontactstasksnotes

Related Comparisons

Microsoft Office Outlook
Microsoft SMTP Server