Barry Dwyer writes:
> My tcp.smtp file has proper settings to allow the local clients to work
> as RELAYCLIENTS:
> 
> 127.0.0.1:allow,RELAYCLIENT=""
> 192.168.0.:allow,RELAYCLIENT=""
> :allow

Just a speculation, but is the firewall doing NAT? Does the
mail server really see 192.168.0.n as client IP addresses?

Anyway, I'd look into the tcpserver's activity log for the
client IP addresses the mail server sees, and use tcprulescheck
to check if /etc/tcp.smtp.cdb is set up as expected.

-- 
Tetsu Ushijima

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