Lutz Petersen wrote on 2012-09-06 22:11: >> I still not get what you are talking here. If you set spamdyke to reject >> mail with same sender and receipient domain and your users do auth >> prior sending then they will bypass this filter while forged mails >> would be dropped. No problems at all. > > Such only would work if you have a single mailserver (both for receiving > external and for serving customers with auth). Beware that there are > installations with a little bit more mailtraffic, those have different > servers for receiving smtp from external, for serving clients, for > outsending to external destinations and so on. We don't have all > customers on our own mail-servers, in a lot of cases these are only > the mx servers for customer-smtp-servers, or secondary mx servers.
Still, both machines are in if not the same subnet then at least in known subnet. Excluding them from this test is still less problematic than allowing anyone to relay in name of your customers. But, well, "your circus, your monkeys", so do as you want :) Regards, -- "Daddy, what "Formatting drive C:" means?"... Marcin http://wfmh.org.pl/carlos/ _______________________________________________ spamdyke-users mailing list [email protected] http://www.spamdyke.org/mailman/listinfo/spamdyke-users
