Postgrey vs Spoj
A side-by-side look at Postgrey and Spoj. 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
Spoj
Development
Spoj is an online judge platform for programming competitions and practice. It has a large archive of programming problems across multiple domains that help programmers test their coding skills.
programmingpracticecompetitionsalgorithmsdata-structures
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