I'm not sure if relayhost is the correct option for what you want to do... Here is
how I have done it in my setup, I send all my outgoing mail through earthlink's mail
server...
in /etc/postfix/main.cf:
transport_maps = hash:/etc/postfix/transport
and in /etc/postfix/transport
* smtp:smtpauth.earthlink.net
The asterisk means to send all outgoing mail through the specified server. If you
only want to do certain domains, you can add a line for each domain...
Then, you have to run the command:
postmap hash:/etc/postfix/transport
to create the .db file (you may need to use something other than "hash" in your
setup, check the man pages for more info)
Hope this helps!
Doug
Glenn Meyer said:
> I use DSL through CenturyTel in Missouri. I run my own mail server.
> Occasionally, because I have a dynamic IP, I cannot send mail to certain
> domains. I'd like to have my Postfix server forward my outgoing mail
> through the CenturyTel SMTP host.
>
> If I set the outgoing SMTP server in my mail client to their SMTP host
> (mail.so.centurytel.net), I can send out through it. No problems.
>
> If I set the outgoing SMTP server in my mail client to my own Postfix
> server (192.168.10.3), I can send out to most domains.
>
> When I set my Postfix /etc/postfix/main.cf option "relayhost =
> mail.so.centurytel.net", I get an error in /var/log/messages that says...
> Sep 13 23:35:03 dell postfix/smtp[20590]: D7833CBAFE:
> to=<afriend@somedomain.com>, relay=none, delay=27100, status=deferred
> (Host or domain name not found. Name service error for
> name=mail.so.centurytel.net type=MX: Host not found, try again).
>
> Funny thing is that from my postfix box, I can telnet
> mail.so.centurytel.net 25 no problem. So why can't Postfix find this
> box? It finds all the other domains I need to send to. It just can't
> seem to find it if I use it in the "relayhost =" option.
>
> Any thoughts? Thanks!!
>
>
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