Postgrey vs StackPath
A side-by-side look at Postgrey and StackPath. 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
StackPath
Security & Privacy
StackPath is a secure edge services platform that offers web application firewall, DDoS protection, CDN, DNS services, and other cloud-based security and performance solutions.
wafddos-protectioncdndnscloud-security
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