Postgrey vs Spam Reader
A side-by-side look at Postgrey and Spam Reader. 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
Spam Reader
Security & Privacy
Spam Reader is an email spam filter that aims to identify and block spam before it reaches your inbox. It uses artificial intelligence and machine learning to analyze email content and sender patterns.
emailspamfilterblockinboxartificial-intelligencemachine-learning
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