NextDNS Manager vs Postgrey
A side-by-side look at NextDNS Manager and Postgrey. For an in-depth review of either product, follow the links below.
NextDNS Manager
Security & Privacy
NextDNS Manager is a service that provides customizable DNS-based filtering, blocking, caching, and analytics. It allows you to block ads, trackers, malware, and inappropriate content across all your devices.
dnsfilteringad-blockingtracking-protectionparental-controls
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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