Re: [exim] exim 4 - relay_from_hosts

> Additionally, you propably need to set exim to listen to some other port in
> addition to 25 (maybe 465), since many ISPs block access to "foreign" 25
> ports to limit sending spam by infected machines.
> local_interfaces = 127.0.0.1.25 : \
>                    192.168.xxx.x.25 : \
>                    192.168.xxx.x.465