Domain Resolution Issue

Hello, We are experiencing an issue with resolution of a domain, roadwire.com, on our gateway email server running 4.5-stable. The server is running named with /etc/resolv.conf set to 127.0.0.1. NXDOMAIN is returned when performing an nslookup or dig on roadwire.com. However, if a "rndc flushna

Recipient Validation & Design Opinions

Hello, We are putting together an OpenBSD-based border email server to replace an aging Linux box. On the current system, Postfix performs a call ahead to two internal boxes for recipient validation. I'm interested in recommendations on how to perform validation with the base sendmail. The