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Dynu Dynamic DNS vs Postgrey

A side-by-side look at Dynu Dynamic DNS and Postgrey. For an in-depth review of either product, follow the links below.

Dynu Dynamic DNS

Dynu Dynamic DNS

Network & Admin

Dynu Dynamic DNS is a service that provides dynamic DNS hosting, allowing you to access your home network or devices using a custom domain name instead of a changing IP address. It maps domain names to dynamic IP addresses.

dnsdynamic-dnsddnsdomain-nameip-addressnetwork
Postgrey

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