Am 04.09.2013 21:01, schrieb Wietse Venema: > Tobi: >> Hello list, >> >> I have been asked if the following is possible somehow with postfix, but >> as I'm quite unsure I try to ask the "gurus" :-) >> The goal is something like a conditional recipient rewrite. The >> condition would be the envelope sender. >> Like: if sender is XXX rewrite the recipient to YYY but only if original >> recipient is ZZZ. >> The only way I see so far would be to use a postfix pipe to handover all >> mails from defined sender to a script that does check the conditions for >> recipient rewrite. But with the downsize that every mail from this >> sender has to be piped through that script. Even those that would not >> have met the conditions for rewrite. >> >> Is there a way to achieve this without piping to an external script? > I presented an example recently (one week ago) in the thread titled > "recipient rewrite when sender != <>", including the limitations > of that approach. You're welcome to adapt it. > > Sometimes I think that these questions are part of a distributed > denial of service attack. > > Wietse Hi Wietse
sorry for not using the search :-) Thought I'm the first one with such a question I found the other thread you mentioned and I will try what I can do with it today after working Thanks for the reply and I'm not part of a DDos :-) tobi