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jRuby vs Postgrey

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

jRuby

jRuby

Development

jRuby is an implementation of the Ruby programming language that runs on the Java virtual machine (JVM). It allows developers to use Ruby syntax and libraries while leveraging the performance, scalability, and enterprise features of Java.

rubyjvmdynamicobjectoriented
Postgrey

Postgrey

Network & Admin

Postgrey is an SMTP proxy program that temporarily delays mail delivery to help mitigate spam. It uses greylisting to reject initial email delivery attempts, forcing email servers to retry sending messages and confirming they are not spammers.

greylistingsmtpemail-deliveryantispam

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