Kallithea vs Postgrey
A side-by-side look at Kallithea and Postgrey. For an in-depth review of either product, follow the links below.
Kallithea
Development
Kallithea is an open source version control system that supports Git and Mercurial. It has a built-in code review system, user management features, powerful access control and integration capabilities.
gitmercurialdvcsscmosscode-reviewaccess-control
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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