Skip to content

Collimator vs OpenSMTPD

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

Collimator

Collimator

Science & Engineering

A collimator is a device that narrows a beam of particles or waves. It can be used to align beams or filter out unwanted particles.

opticsphysicsalignmentfiltering
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