On Sun, Dec 4, 2011 at 9:15 PM, /dev/rob0 <r...@gmx.co.uk> wrote: > Please stop top-posting your replies. Thank you. > I am sorry about that.
> > On Sunday 04 December 2011 01:04:44 Ignacio wrote: > > Fixing the application is not possible since we don't own > > source code and owner company doesn't want to change it. > > On the application we are just be able to set a smtp server. > > A good example of why not to trust proprietary software for your > important tasks. > > > English is not my first language so I probably haven't explain > > the problem very well. I will do my best right now. > > This is not a language barrier; this is a ... protocol barrier. It > seems that you do not understand mail and SMTP very well. Your OP > sounded as if the headers needed to change for some reason. Since we > now know that envelope senders and recipients are what matters, it's > time to move beyond. > > Unfortunately elsewhere in the thread you indicated that your example > sender and recipients are not static. In this post I am again > answering what you said, not what you might have meant. > I have used header_checks to add a CC field containing original sender address. This way when there is a reply to e-mail, original sender will receive the reply also. > > > The application connects to a smtp server and sent an e-mail as: > > SENDER: user1@domain > > TO: user2@domain;user3@domain > > > > From this smtp server we would like to relay e-mail to Corporate > > Exchange server.This server needs authentication to relay e-mail. > > Since user1 password changes every week, we would like to set a > > generic user whose password will not change. Therefore, sender > > must be changed to genericuser@domain. > > For the rewriting: > http://www.postfix.org/ADDRESS_REWRITING_README.html#canonical > http://www.postfix.org/postconf.5.html#sender_canonical_maps > http://www.postfix.org/canonical.5.html > > For the authentication: > http://www.postfix.org/SASL_README.html#client_sasl > http://www.postfix.org/postconf.5.html#smtp_sasl_password_maps > I used generic config file to change original sender. > > > Also it is needed that > > original sender (user1@domain) became a recipient of e-mail in > > Corporate Exchange server ( I thought this could be achieved by > > setting CC field in the e-mail, but it seems I was wrong). > > http://www.postfix.org/postconf.5.html#sender_bcc_maps > containing: > genericuser@domain user1@domain > > > Is postfix able to do this? If not, is there any other app to do > > that? > > This is only going to work if the sender is always the same, but > perhaps you can come up with a mapping which will meet your needs. If > not, you might be stuck with going back to the software vendor and > demanding value for your money already spent. (Good luck with that! > They already have your money!) > I just did some quick tests in a test environment and it seems to work properly with different senders. BCC map is being applied before rewriting sender address so with a mapping like user1@domain user1@domain user2@domain user2@domain ... I got a BCC sent to original sender. > > > Thank you very much. I hope to have explained better myself. > > There was no mention in this post about the senders and recipients > changing; you consistently used the same four example addresses. So we > could only assume the problem only involved those addresses. > -- > Offlist mail to this address is discarded unless > "/dev/rob0" or "not-spam" is in Subject: header > Thank you very much for your help. It was very useful to get a working solution to solve my problem. Now I only have to set it up in production environment. Hope it will work as well as it did in tests! :)
