Although you probably already know, When considering rejecting any NULL senders, remember to make sure you are RFC compliant. http://www.rfc-ignorant.org will burn you if you squeeze too tight with NULL senders.
Cheers, SGS ----- Original Message ----- From: "Jared C. Lovell" <[EMAIL PROTECTED]> To: "Octavio / Super" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Wednesday, January 09, 2002 2:33 PM Subject: Re: MAIL FROM: <> > > Not always a good idea, plenty of shops send perfectly legitimate mail > from different machines than they recieve it from, which afaik is all an > MX record indicates. You'd probably bounce mail from every major > web-based email service for starters, which most users aren't going to be > happy with. > > See the O'Rielly sendmail book (the one with the bat) for the specific > line if that's what you really want to do. I know it's in there, but I > wouldn't do it. Try some of the ORBS replacements, require > > > > > Jared Lovell > (510) 593-7747 > [EMAIL PROTECTED] > > > On Fri, 4 Jan 2002, Octavio / Super wrote: > > > Hello! > > > > How can I deny all MAIL FROM: <> commands from hosts which are not MX for a domain? > > > > Thanks, Octavio. > > > > > > >
