On Tuesday 06 July 2004 08:29 am, Frank Kaldewey wrote: > Hi > > postfix has to relay mails from a webserver(win2k) in LAN to WAN. > > webserver 192.168.1.150 > > mailserver/postfix 192.168.1.100 > > I edit in etc/postfix/main.cf > > mynetworks = 192.168.1.0/28, 127.0.0.0/8 Neither 192.168.1.100 nor 192.168.1.150 are in 192.168.1.0/28. Try mynetworks = 192.168.1.0/24, 127.0.0.0/8 instead. -- Rob