----- Original Message ----- From: <[EMAIL PROTECTED]> To: "David Thiede" <[EMAIL PROTECTED]> Cc: "Alan V. Shackelford" <[EMAIL PROTECTED]>; "Michael Hieb" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Tuesday, September 09, 2003 10:07 PM Subject: Re: Reverse lookup problem
> > > Mark, in the past you would be entirly correct. > > I repeat there is no *technical* restriction. This is also > NO RFC that says you SHOULD / MUST send mail by any means > other than direct. In fact there are RFC that say you > SHOULD NOT block mail based on source IP address, name > in HELO/EHLO mis-matched between reverse / forward lookups. > > Sites that do this block legitimate traffic. They are also > taking the lazy way out. > > > Unfortunately, the flood of > > viruses is causing companies and maybe ISPs to force SMTP to route through a > > virus scanner. > > You don't have to block connections to do that. > > > It is a real pain. I formally had a number of processses that > > monitored things and sent me email when it failed. a copy of these would rout > > e > > to my home email. no longer.... :( now I get to customize each sendmail confi > > g > > to route to our exchange server. bummer! negates most of the benifit of the M > > X > > record. > > This has nothing to do with where email is being directed. > It has to do with where email is being sourced from. > > > > > > > blocks to various blackhole lists because > > technically there > > should be no > > mail entering the Internet directly from these addresses. > > > > > > WRONG. There is no technical reason NOT to send directly > > > from your home machine. SMTP was designed to allow any > > > machine to send mail to any machine. It worked like this > > > for years. > > > > > > There is nothing wrong with sending mail directly from your > > > machine to any other machine in the world. It doesn't > > > matter where that machine is. In the office or at home. > > > > > > > You should be > > > > using their email relay. These lists used to be called Dialup Lists in > > > > the old days. I don't know how they are called today. > > > -- > Mark Andrews, Internet Software Consortium > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: [EMAIL PROTECTED]
