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OpenSMTPD vs Stackless Python

A side-by-side look at OpenSMTPD and Stackless Python. 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
Stackless Python

Stackless Python

Development

Stackless Python is a Python programming language implementation featuring microthreads and no Global Interpreter Lock (GIL). It allows massive concurrency and offers better scalability for Python programs.

pythonconcurrencymicrothreadsscalability