Altospam vs Postgrey
A side-by-side look at Altospam and Postgrey. For an in-depth review of either product, follow the links below.
Altospam
Security & Privacy
Altospam is an open source spam filtering software designed to identify and block email spam. It uses rules, Bayesian filtering, blacklists, and whitelists to accurately detect spam.
open-sourceemailspam-detectionfilteringrulesbayesianblacklistswhitelists
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
Related Comparisons
Malwarebytes Anti-Malware
Kaspersky AntiVirus
Mailinblack
Spamihilator
Spam Reader
MailRoute