On Tue, 01 Sep 2015 18:42:33 +0000, Archil Imnadze <[email protected]> wrote: >I have an Exim instance running on Debian Jessie. For each mail that is >received by Exim I would like to check if the reverse DNS for the sender >domain matches the connecting IP and if not reject the mail.
Bad idea. >Consider the following scenarios. >* A spammer sends an email from the IP 94.123.123.123 with >[email protected] in the "From" field but the domain >spammerwebsite.com doesn't resolve to 94.123.123.123. I want this to be >blocked. Bad idea. >* A spammer sends an email from the IP 94.123.123.123 with >[email protected] in the "From" field. In this case example.com is my own >domain and it cannot be located at 94.123.123.123. I want this to be >blocked too. So you do not want to use your domain when you're on the road? Greetings Marc -- -------------------------------------- !! No courtesy copies, please !! ----- Marc Haber | " Questions are the | Mailadresse im Header Mannheim, Germany | Beginning of Wisdom " | http://www.zugschlus.de/ Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 621 72739834 -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
