Hi Jeroen! > The Subject: line (or any other headers) are not logged by postfix. > You could send all mail through a filter that does this for you; you are > free to do anything you want in a filter. [...]
Thanks for your effort. (I suppose I didn't were as precise as necessary. Pls. excuse me.) I want to analyze existing mail logs (which additionally have already included "Subject: ..." lines as warnings). (I don't want to rebuild a whole MTA configuration.) Cheers, H.