AdAway vs Postgrey
A side-by-side look at AdAway and Postgrey. For an in-depth review of either product, follow the links below.
AdAway
Security & Privacy
AdAway is an open source ad blocker and hosts file editor for Android devices. It blocks ads by editing the hosts file on your device to redirect requests from advertising servers to localhost.
ad-blockinghosts-file-editoropen-source
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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