Postgrey vs Spamina
A side-by-side look at Postgrey and Spamina. 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
Spamina
Security & Privacy
Spamina is an open-source spam filtering software designed to identify and block unwanted spam emails. It uses machine learning algorithms to analyze email content and metadata to accurately determine if an email is spam.
opensourcemachine-learningemail-filteringantispam
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