> > While we're at it, let's deprecate IPv4 now that IPv6 is fully deployed
Come on Mr. Herrin. Blocking a port is much easier than deprecating a heavily used protocol. Google stats show ~75% use IPv4. On Sat, Jan 12, 2019 at 7:30 AM William Herrin <b...@herrin.us> wrote: > On Fri, Jan 11, 2019 at 5:52 PM Viruthagiri Thirumavalavan > <g...@dombox.org> wrote: > >> In addition, it bypasses all the security folks have built around the > >> idea of blocking port 25 traffic from sources which should not be > >> operating as mail servers. Let's not make the network less secure in > >> the name of making it more so. > > > > I already addressed this issue in the "security considerations" section. > > > > "Port 26 will be a secure alternative for Port 25. So Internet Service > Providers are adviced to take precautions to prevent email spam abuse. They > are advised to block port 26, if necessary." > > While we're at it, let's deprecate IPv4 now that IPv6 is fully deployed. > > -Bill > > > > -- > William Herrin ................ her...@dirtside.com b...@herrin.us > Dirtside Systems ......... Web: <http://www.dirtside.com/> > -- Best Regards, Viruthagiri Thirumavalavan Dombox, Inc.