You need to check the sendmail documentation. Look specifically at
virtusertable and genericstable. This does mapping for user domains.
Basically, they tell sendmail:
mail for jdoe@xxxxxxxxxxx give to user jdoe
Then for outgoing:
when jdoe sends mail, say it's from jdoe@xxxxxxxxxxx
This should do it. If you load Webmin, this is done very easily. However, by
default genericstable useage isn't enabled in sendmail. You have to add a
line to your sendmail.mc file and generated a new sendmail.cf. No biggie,
though.
<<JAV>>
---------- Original Message -----------
From: "Donald Tyler" <dtyler@xxxxxxxxxxxxxx>
To: <redhat-list@xxxxxxxxxx>
Sent: Wed, 12 Nov 2003 15:13:06 -0600
Subject: Restricting user to specific domain on multi domain sendmail host
> Hi,
>
>
>
> Does anyone know how to restrict a user to a single domain when hosting
> multiple domains on a single sendmail server?
>
>
>
> e.g.
>
>
>
> Server hosts:
>
>
>
> firstdomain.com
>
> seconddomain.com
>
> thirddomain.com
>
>
>
> I have a user called "dtyler" who is @ firstdomain.com. Since the
> sendmail server allows relaying for all three domains, I don't want
> it to allow dtyler to relay a message saying he is dtyler@xxxxxxxxxxxxxxxx
> or dtyler@xxxxxxxxxxxxxxxx
>
>
>
> I also don't want the server to accept mail for dtyler@xxxxxxxxxxxxxxxx
> or dtyler@xxxxxxxxxxxxxxx unless I specifically say its allowed to do
> so.
>
>
>
> Any help or a point in the right direction would be appreciated.
>
>
>
> Thanks
------- End of Original Message -------
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