PostfixTCP Transport Map GeoIP Relay (Go version)
This is a Go version port from my previous python program.
This tools is use MX record's IP and GeoIP database to determine use which regional relay server to delivery email to destination.
Postfix use TCP transport map connect to this program.
License:
This product includes GeoLite2 data created by MaxMind, available from http://www.maxmind.com.