On 10/1/2015 4:09 PM, Alex wrote:
> Hi,
>
>>> How can I configure the external system to support the
>>> check_recipient_access while also then forwarding on valid users to
>>> the internal system?
>>
>> Why is that a question. You can just do what you said. That said,
>> you should instead define the internal domains as "relay_domains",
>> and impement a relay recipient validation table:
>>
>> main.cf:
>> indexed = ${default_database_type}:${config_directory}/
>> parent_domain_matches_subdomains = smtpd_access_maps
>> relay_domains = example.com
>> relay_recipient_maps = ${indexed}relay-recipients
>>
>> relay-recipients:
>> [email protected] exists
>> [email protected] exists
>> ...
>>
>> See http://www.postfix.org/ADDRESS_CLASS_README.html
>
> I've been reading this and trying to make sure I understand before I proceed.
>
> I'm not familiar with using "exists" as a possible option and was
> unable to locate where that's defined. Where is this defined? Is it
> just the equivalent to DUNNO?
>
> Can it be done as a pcre so I can continue to use my existing
> relay-recipients file in the form of:
>
> /^myuser@example\.com$/ DUNNO
>
> Thanks,
> Alex
>
Short answer is yes, you can use a pcre table with DUNNO.
Longer answer is the relay_recipients_maps tables are used as a
list, and the actual value isn't used -- it can be anything. But
the unused return value must be present since tables must be a
key/value pair; bare keys are not allowed.
http://www.postfix.org/postconf.5.html#relay_recipient_maps
-- Noel Jones
