LinuxSA Mailing list archives

  From: Michael Firkins <michael@home.lyppard.com.au>
  To  : <fineales@ozemail.com.au>
  Date: Wed, 23 Apr 2003 18:37:32 +0930 (CST)

Re: sendmail vs postfix

Hi Ant,

Ant said:
> Postfix is quite a good mailer. Its much more straight forward to
> configure and with less gotchas than sendmail.
>
> You need to check in /etc/postfix. All you configuration lives in
> there. Theres a couple of config files with different purposes. They
> all have good documention in the files as comments.
>
> I think you need /etc/postfix/transport

Thanks. I do need transport, but not for the stated problem. Chasing
around on postfix user list, I see that the answer may in fact be in the
canonical maps:
http://postfix.cloud9.net/rewrite.html#canonical

Anyone using that?

I think I'll have to install postfix on a non-critical system and have a
play.
Michael
>
> Which has in as a comment:
>
> #        domain transport:nexthop
> #               Mail  for  domain is delivered through transport to #
>             nexthop.
> #
> #        .domain transport:nexthop
> #               Mail for  any  subdomain  of  domain  is  delivered #
>             through  transport  to  nexthop.  This applies only #
>         when the string transport_maps is not listed in the #
>     parent_domain_matches_subdomains configuration set- #
> ting.  Otherwise, a domain name matches itself  and #               its
> subdomains.
>
> Postfix is quite easy to get going. I wouldnt worry too much about
> having it sorted before you jump in :) Just remember the main ones:
>
> postfix reload
> postfix check
>
> And read the comments in the config files!
>
> The postfix-users list is good too.
>
> Ant
>
> On Wed, 2003-04-23 at 17:05, Michael Firkins wrote:
>> Hi.
>>
>> I'm planning the overdue replacement of our ancient (redhat 5.1,
>> sendmail 8.9) mailserver with something a little more current, and I'd
>> like to get off the sendmail bandwagon in the process and opt for
>> postfix.
>>
>> I have struck a hitch, however, that does not seem to be covered in
>> the postfix docs that I can find. We use genericstable to map incoming
>> names to the actual user on their local mailserver, so that the mail
>> coming into the gateway machine is forwarded to the correct
>> mailserver.
>>
>> For instance, we might have a user jack.frost@domain.com, whose mail
>> arrives on mailgateway.domain.com (as does all domain.com mail), and
>> is redirected via genericstable to jackf@northpole.domain.com and
>> subsequently delivered via smtp transport to northpole.domain.com over
>> the private network.
>>
>> How do I create that scenario in postfix? The only thing I can see is
>> to use the /etc/aliases database. Is that how it should be done?
>>
>> Any help appreciated, I'd like to get my ducks in a row before I start
>> messing with it. :)
>>
>> Regards,
>>
>> Michael
>>


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