Sorry for beeing unclear:

my criterias are if (from 10.8.1.1-3 and mail from: benachrichtigung@) then
only allow rcpt to:   example.org, example.net, example.edu)

If from 10.8.1.1-3 and mail from anything else, no limitation should take
place.

2018-05-16 0:14 GMT+02:00 Jan P. Kessler <
ml-postfix-us...@lists.jpkessler.de>:

>
> postfix is configured as relay server. Other systems relay with postfix.
>> Here i want to allow for a specific group of hosts, when they use a
>> specific mail from address only a few specific destination domains. Other
>> hosts should not be bothered. This is only a need to limit a group of hosts
>> to not accidentally send out mails to other domains.
>>
>>
> Restriction classes get very confusing with 3 or more criteria. Take a
> look at the policy delegation protocol at http://www.postfix.org/SMTPD_P
> OLICY_README.html or use a service like postfwd (http://postfwd.org). In
> your case you would create a rule like
>
> id=ALLOW01
>    client_address = 192.168.1.0/24
>    sender==foo@bar.local
>    recipient_domain==somewhere.remote
>    action=permit
>
> id=REJECT01
>    client_address = 192.168.1.0/24
>    action=REJECT not allowed
>
>

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