[EMAIL PROTECTED] said: > > For email transfer and MTA's alike, putting SPF in DNS to help > "authenticate" the source is a step in the right direction. If SPF is a > good idea, and it is dns based, then so should forward-and-back lookups. > If additional mail standardization can take place (again) then spam can be > reduced to a certain degree. I much like Brian Read's idea of blocking > mail xfer from sites which are not authenticated (SASL) or who cannot give > a proper reverse lookup. Every ISP we have worked with have been happy to > create or change a PTR entry in their dns, even if it took a lot of work > to get the ISP to do so (I even offered to do it for one isp and they > finally did it themself). > > If we can standardize the set of rules and protocols required for an MTA > to accept an email, then spam will reduce. Either that or we need to > build a better mousetrap. This is jut my $0.02. > > Your thoughts? > > -Eric
How would you handle the PTR record for an SMTP server that hosts 500 virtual domains? dp _______________________________________________ http://lurker.clamav.net/list/clamav-users.html