Len Conrad wrote:
>
> >domain.dnsalias.com is one of that services that have a client in the
>
> , it finds the hostname in hosts file, so no need to look further,
>
> postfix has a table or map file called transport.map that is more
> sophisticated than hosts file operation
>
> this kind of line:
>
> ETRNdomain.ar smtp:[ip.ad.re.ss]
>
> works like a hosts file, where SMTP is the type protocol to use to
> transport the msg to the "next hop".
>
> This kind of line:
>
> ETRNdomain.ar smtp:hostname
>
> ... will have postfix query for the MX record of hostname, while
> adding [] like this:
>
> ETRNdomain.ar smtp:[hostname]
>
> ... will have postfix query for A record of hostname.
>
Ok, so
ETRNdomain.ar smtp:[hostname]
would be the way to go for ETRN dynamic IP ....
Thanks everyone!
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