It is against best practices to have a send-only domain. A sending mail server should accept ab...@example.com, and number of other IDs according to best practices.
However, since many legit senders ignore this, it turns out that FP rate is too high for now. On 2/23/11, Michelle Konzack <linux4miche...@tamay-dogan.net> wrote: > Hello Henry | Security Division, > > Am 2011-02-23 13:50:19, hacktest Du folgendes herunter: >> This is also very interesting, Michael: >> >> (From the RFC link I sent before) >> >> Being able to detect domains that never accept email offers many >> resource savings to an SMTP server. In the first instance, it can >> choose to reject email during the SMTP conversation that does not >> present a deliverable 2821.MailFrom domain. > > Then you will reject Mails from nearly ANY big ISPs because they have > seperated OUT-BOUND and IN-BOUND servers... > > Ans OUT-BOUND servers will not receive mails. > > Thanks, Greetings and nice Day/Evening > Michelle Konzack > > -- > ##################### Debian GNU/Linux Consultant ###################### > Development of Intranet and Embedded Systems with Debian GNU/Linux > > itsystems@tdnet France EURL itsystems@tdnet UG (limited liability) > Owner Michelle Konzack Owner Michelle Konzack > > Apt. 917 (homeoffice) > 50, rue de Soultz Kinzigstraße 17 > 67100 Strasbourg/France 77694 Kehl/Germany > Tel: +33-6-61925193 mobil Tel: +49-177-9351947 mobil > Tel: +33-9-52705884 fix > > <http://www.itsystems.tamay-dogan.net/> <http://www.flexray4linux.org/> > <http://www.debian.tamay-dogan.net/> <http://www.can4linux.org/> > > Jabber linux4miche...@jabber.ccc.de > ICQ #328449886 > > Linux-User #280138 with the Linux Counter, http://counter.li.org/ > -- Regards, Mahmoud Khonji
