Postgrey vs Scratch
A side-by-side look at Postgrey and Scratch. For an in-depth review of either product, follow the links below.
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
Scratch
Education & Reference
Scratch is a free visual programming language and online community that makes it easy for anyone to create interactive games, animations, and more. It uses a drag and drop interface with colorful blocks that snap together to build programs.
visual-programminggame-developmentanimationeducationblockbased
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