It's a good paper to start for learning about basics of spam blocking. As you already mentioned: most of it is still a must for every mailserver today.
But interesting: 4xx instead of 5xx is used successful by greylisting! Christian ----- Original Message ----- From: "Yves Junqueira" <[EMAIL PROTECTED]> To: <debian-isp@lists.debian.org> Sent: Thursday, June 24, 2004 12:12 AM Subject: Re: Which Spam Block List to use for a network? > This could be also of interest. Although it is old (feb 99), most of > its recomendations are valid. Others have not yet come to a consensus, > like using 4xx error codes instead of 5xx for denying spam. Anyway, it > instigates more profund analysis from the mail admin. > > http://www.faqs.org/rfcs/rfc2505.html > > What are your thoughts, readers? > > > > > On Wed, 23 Jun 2004 11:45:40 +0200, Niccolo Rigacci <[EMAIL PROTECTED]> > > > wrote: > > > > > > > Please correct me if I'm wrong; I'm searching for RFCs which > > > > propose effective ways to block spam and viruses. > > > > > > -- > Yves Junqueira > www.lynx.com.br > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > >
