From: /dev/rob0 (rob0gmx.co.uk)
Date: Thu Sep 30 2004 - 08:37:20 CDT

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On Tuesday 28 September 2004 05:39, Valentina Mestrovic wrote:
> All mail for my office comes to one mailbox on an
> outside mail server. In my office I use
> postfix+fetchmail to retrieve mail from that server
> and redistribute it to multiple mailboxes on my local

I would consider other mail hosting options. This isn't a robust
solution for a business.

> machine which is connected to the Internet with
> wireless connection with dynamic ip address. Then my

It may be possible, but is not always easy, to receive your own mail
with a dynamic IP. Then you'd have as many mailboxes for your users as
you might care to give them. I wouldn't recommend you try this until
you gain more understanding of the issues involved.

In the meantime, many Web hosting providers offer multiple mailboxes
for modest fees. GMX is an excellent free email provider: 1GB storage
per account, as many accounts as you want, server-side filtering under
your control, and POP3 access.

> users connects to postfix with their mailclient and
> receive mail.

No they don't. They *might* send mail through postfix; not likely the
best way to do it in such an arrangement; better to SMTP directly to
the ISP's smarthost.

> I also have courier so all mail is sent

Courier is what the users connect to. These are things you should
understand before trying to run your own mail server.

> directly. Everything works fine except when mail comes
> with undisclosed recipient list,

Or blind CC:'s ...

> some headers probably
> get lost and postfix doesn't know to whom that mail is

Headers don't tell the MTA where to send mail. That would be the
envelope recipient. Postfix prepends a "Delivered-To:" header which
records the envelope recipient. Other MTA's might record envelope
recipients in different ways.

Headers are usually generated in the MUA, other than the ones later
added by MTA's. Yes, the MUA uses those headers to tell the MTA where
to send it, but this is not a protocol requirement. I could send an
email with these headers:

[mail]
Date: Thu, 30 Sep 2004 09:23:00 -0400 (EDT)
From: Dubya <presidentwhitehouse.gov>
To: Vladimir <presidentgov.ru>
Subject: Top Secret Plans for War with China

Hey bud, lets rumble. Rgds, W.
[/mail]

... and have that end up in your mailbox.

> i'm looking for. Can anyone suggests me anyway to
> workout this problem.

Again, I think you should look at other mail solutions. Without knowing
your provider's MTA and seeing the headers it adds, no, we can't. And
even if we could, this is a fetchmail matter, not a postfix one.
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