Hi Colin, > Is there any way to test an IP against the GeoIP database – or is it just a matter of watching the maillog? Yes, the command is geoiplookup and then put the IP in question behind it: ]# geoiplookup 8.8.8.8 GeoIP Country Edition: US, United States GeoIP ASNum Edition: AS15169 Google Inc. -- With best regards Michael Stauber