Re: Deny MX queries for dynamic IP pools

2010-02-08 Thread Wael Shaheen
Dambier wrote: Noel Butler wrote: Firstly, I feel this really belongs on mailops not bind list :) secondly... On Mon, 2010-02-01 at 00:00 +0300, Wael Shaheen wrote: Blocking port 25 is much worse IMHO because it forces users out of the service, by restricting their ability to use their own

Deny MX queries for dynamic IP pools

2010-01-31 Thread Wael Shaheen
Dear DNS Experts, This post is intended for discussion. The ISP I work for has HUGE dynamic IP pools that are full of spammers (of course). This huge volume of spam is actually influencing the decision for some of the international providerĀ¹s whether to give us links or not let alone the bad

Re: Deny MX queries for dynamic IP pools

2010-01-31 Thread Wael Shaheen
users may choose to use their own installed DNS service, but then again if your service provider has a stable DNS service and a good and stable internet connection then would that overcome this disadvantage? At the end I think that something has to be sacrificed. Sincerely, Wael Shaheen

Re: Deny MX queries for dynamic IP pools

2010-01-31 Thread Wael Shaheen
Hi, On 1/31/10 5:28 PM, Sten Carlsen st...@s-carlsen.dk wrote: To me this seems to be a firewall/routing issue. If you know for sure that some IP is sending spam, if you can not stop them, then at least you can block their outgoing access to port 25. Most of the RBLs list dynamic IP