Postgrey vs SQuirreL SQL
A side-by-side look at Postgrey and SQuirreL SQL. 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
SQuirreL SQL
Development
SQuirreL SQL is an open-source SQL client that allows users to view and query databases through a graphical interface. It supports many popular database systems like MySQL, Oracle, PostgreSQL and more.
sqlclientopen-source
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