Re: restriction_classes lookup.

suneel cumar wrote:
> Hi all,
>
> i have setup virtual domains.
>
> 1. i need to create a all@domain.com for every domain.
> so any user sending a mail to all@domain.com should
> forward to all users in that domain.
>
> All my virtual domains are looked up from database.
>

the trivial answer is to create a (virtual) alias that contains all
users. Now, decompoe your company/network into groups, such as
sales/mktg/eng/farniente/... and when you add a user, add him to one of
the groups, then put the groups into the "all" alias.

If you don't want this, choose an LDA (maildrop, procmail) and let it
run a script that forwards the message to all users stored in some db.


>
> 2. i need to Whitelist sender address based on
> recipients .
>
> Is it possible to whitelist a sender to a particular
> domain or username. without user restriction_classes
> parameter.
>
> I was able to do it through
> recipient_restriction_classess. but i don't what to
> edit the main.cf each every time to create a new class
> for new group of whitelisting.
>

postfix access control is stateles, you can't say:
F(client, sender, rcpt) = reject|permit|....
you have to do checks one at a time.

Now, if you can define a limited number of recipient groups, then use
restriction classes. You can for instance define N groups, and let users
choose their own, which results in selecting the right restriction class.

If you can't, use a policy service and make it to do what you want.


>
> 3. i want to restrict certain domains and users to
> outside mails. and restriction them with thier
> respective domains.
>
>
> Desperately looking for a solution. Any ideas will
> greatly appreciated.
>

Unless you can cast your requirements to fit postfix, you'll need a
policy service to match your requirements.