Postgrey vs Sophos XG Firewall
A side-by-side look at Postgrey and Sophos XG Firewall. 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
Sophos XG Firewall
Security & Privacy
Sophos XG Firewall is a next-generation firewall that provides advanced threat protection for networks. It includes intrusion prevention, web filtering, application control, and more with an easy-to-use interface.
network-securityintrusion-preventionweb-filteringapplication-control
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