On Sat, Oct 22, 2011 at 11:09:28AM +0200, Hadmut Danisch wrote: > On 22.10.2011 10:15, Dennis Guhl wrote: > >> It's required for debugging purposes, writing mail filters, create > >> > blacklist filters from detected spam, etc. > > Disregarding end users mail filters this are all tasks for mailadmins
^^^^^^^^^^^^^^^^^^^^^^^ > > which can tell thier MTA to write a reliable Return-Path: header and > > which have access to the corresponding maillog. > > Definitely wrong. > > Writing mail filters like ~/.mailfilter is a user's task. Training their > individual spam filters as well. . o O ( at least he didn't truncate the relevant quote this time ) > And whether you're even permitted to keep the maillog that long depends > on your local data protection laws. How long do you think a responsible mailadmin need to train filter. Btw. even here in Germany, where we most likely have the most restrictive laws regarding the protection of personal data, I am allowed to keep the maillog as long as I can show that the log is needed to satisfy user requests. > And neither the Return-Path nor the Received-Lines reveal the precise > date of delivery as the From line contains. Nonsense. Every RFC conformant received line contains the full date-time as specified in RFC 5322. Nothing else is taken into account for the mbox >From line. Dennis