>> List Mail User wrote on Fri, 16 Dec 2005 22:39:50 -0800 (PST): >> >> > But included >> > in the list are all of the HotPop domains >> >> and most if not all are in violation of RFC 2821 and probably of 1123 and >> other >> message related ones. And most if not all would also have a hard time to get >> over rdns/helo matching checks which f.i. German universities like to do. >> >> > >> > I'm quite convinced that the single dot rule would cause far too >> > many FPs, >> >> That is indeed possible. That's why I said it depends on the strictness. >> Please >> understand that the original topic of this thread was if it makes sense to >> insist on helo hostnames matching the "real" identity of a machine. In >> theory >> that's what RFC 2821 asks for. In practice you'll get a lot of "FPs" because
So what would be wrong with one dedicated computer acting as both a webserver and mailserver? Its real identity in that case is just companysite.com - and it has proper dns / rdns entries. Wolfgang Hamann
