Outgoing SMTP Servers
aftab.siddiqui at gmail.com
Tue Oct 25 04:51:05 CDT 2011
Blocking port/25 is a common practice (!= best practice) for home
users/consumers because it makes life a bit simpler in educating the end
ripe-409 gives some what glimpse of best-practice, not sure how many
implements it that way.
Aftab A. Siddiqui
On Tue, Oct 25, 2011 at 2:35 PM, Owen DeLong <owen at delong.com> wrote:
> On Oct 24, 2011, at 10:27 PM, Mikael Abrahamsson wrote:
> > On Mon, 24 Oct 2011, Dennis Burgess wrote:
> >> I am curious about what network operators are doing with outbound SMTP
> >> traffic.
> > Block all TCP/25 and require users to use submit with authentication on
> If they are using someone else's mail server for outbound, how, exactly do
> you control
> whether or not they use AUTH in the process?
> Further, if you make them use AUTH somehow, but, you don't force TLS, then,
> you are
> doing more harm than good IMHO.
More information about the NANOG