Sahil Tandon a écrit : > On Sat, 28 Mar 2009, mouss wrote: > >> Sahil Tandon a écrit : >>> [snip] >>> >>> Don't use amavisd-new; it would be overkill for this task. And from my >>> cursory understanding of the SMTP protocol, I am not sure your goal is >>> reachable even with a simple pre-queue filter. Before passing mail to a >>> pre-queue filter (or milter), smtpd(8) applies smtpd_mumble_restrictions and >>> rejects unknown recipients. So by the time you get to the filter, Postfix >>> has already replied with "250 2.1.5 Ok" for f...@example.com at the RCPT TO: >>> stage of the SMTP conversation. As a result, the client believes >>> f...@example.com is a valid recipient, defeating the purpose of this >>> exercise. >>> >> the pre-queue filter can still reject the message at end of data with a >> "no such user" style error. > > Yes, but what if the message has multiple recipients, only one of which > requires this hackery? >
Indeed, only one action is possible.
