karfunckel-post...@yahoo.de a écrit :
>>> Hi,
>>>
>>> is there a way to rewrite a sender address in
>> dependence of
>>> the recipient?
>>>
>>> Example:
>>> sender + recipient = new sender address
>>> ----------------------------------------------
>>> j...@example.net
>> + j...@example.net
>> = robotforj...@example.net
>>> j...@example.net
>> + <anything else> = j...@example.net
>> (no change)
>> The less convoluted way I see would be to write a content
>> filter to do
>> that.
>>
>> what "real" problem are you trying to solve?
>>
> The problem:
> - I have a webapp for an affiliate bussiness. The app sends emails to the
> registered users in dependence off a workflow-state.
> - the sender-email-address is an email-address of the affiliated business
> (marketing decision)
> - in some cases the affiliated business whants also to receive a CC of the
> message. But its email-server will not accept an email (sender-address) of
> its domain coming from outside of their network (SPAM-prevention).
> => Thats because I _must_ send the email in my address, but for marketing
> reasons all other emails must be send like they are send now (in their name)
>
> The actual solution is, that I send all emails for j...@example.net to a
> third email-server which has a sender_canonical-rewrite rule. This
> emailserver sends the email than forward with the changed
> sender-email-address to the MX of j...@example.net. This runs so actually
> successful for years. But I'm confident that there must be also a solution to
> solve the problem using only one email-server.
>
> Is the problem understandable?
>
try this:
define a custom smtp transport that has its own smtp_generic_maps:
== master.cf
customersmtp .... smtp
-o smtp_generic_maps=pcre:/etc/postfix/customer_generic.pcre
then use transport_maps to pass mail to your customers via this transport.
