Postgrey vs uBlock Origin
A side-by-side look at Postgrey and uBlock Origin. 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
uBlock Origin
Security & Privacy
uBlock Origin is a free, open-source ad blocker that works on a variety of browsers. It blocks ads, trackers, malware, and more to provide a cleaner and faster web browsing experience.
ad-blockingprivacyopen-source
Related Comparisons
Adblock Plus
Blokada
AdAway
Privacy Badger
SponsorBlock
Nano Adblocker