On Fri, Feb 08, 2008 at 11:19:06AM -0500, Dave Anderson wrote: > On Fri, 8 Feb 2008, Raimo Niskanen wrote: > > >Now I am trying to improve the Greyscanner. I noticed it did not > >trap hosts using an empty envelope sender, unless there were > >more than one entry from that host. I regarded it as a bug > >and fixed it. I hope an empty envelope sender really > >is suspicious or disallowed. > > Read the RFCs rather than guessing. 'Mail From: <>' is not merely > allowed but is _required_ when a delivery-failure message is sent. > You're throwing away most legitimate notifications of errors delivering > messages which originated on your server.
<Slap!> Thank you sir for setting me straight! I will aquire that habit (RFC read) and of course change my current scripts! The problem is usually to find the right RFCs (they usually build on each other and there is very often a later one I should have read too, and some that in practice is not used, ...) > > Dave > > -- > Dave Anderson > <[EMAIL PROTECTED]> -- / Raimo Niskanen, Erlang/OTP, Ericsson AB
