I´m running SME Server 5.6 with multiple LAN´s that added to "Local Networks" in Servermanager
Info:
172.24.11.0 255.255.255.0 256 192.168.190.254
SME Server IP: 192.168.190.1
Sending a eMail from Network 172.24.11.x/24 I get following Error:
'553 Sorry, that domain isn't in my list of allowed rcpthosts.', Port: 25, Secure (SSL): No