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I wasn't talking about you, I was talking about the rest of the le* hosts.
We provide rDNS for vps and dedicated servers, but we require justification and a real working website that will use the rdns. We do this to avoid spammers ruining our ip and company reputation.
We have found that a significant quantity of clients wanted to use rDNS. This prompted us to allow rDNS records setting via the control panel as the number of requests coming in was taking too much time to manually process. The clients seem a lot happier being able to do it themselves anyway.
This is crazy, as a provider YOU should have the proper measures setup to monitor for such activities especially on vps's with either rate limiting and if you are using openvz nodewatch. It wont catch all the spam but it will be prevent a butt load from being sent out. On dedicated server if you require justification then sorry I wont being buying one from you.
While not mandatory as per RFCs, having rDNS records is still regarded as best practice... and makes life a tiny bit easier in a variety of situations (other than repelling spammers, in which case it's probably more effective to block some ports)
"last login from 2001:DB8:4BFC:6A4:F10A:11F:15C4:F53F", huh, who was that again? >_<
I was wondering why you never came to pick up the money I offered you.
I think Postel's law should apply to this. "Be conservative in what you send, be liberal in what you accept"
As I mentioned earlier, it is bad form to block on a single item. It is best to give weight to each individual item and then block based on the total. You see, someone could have no rDNS, or any number of things wrong, at some point for some reason which they might not even realize at the time. You can't fix the world by playing tough cop. That only makes you look bad and reflects poorly on your IT sensibilities.
Yes we do, and it's also true that the majority of "customers" that set rDNS are just spammers, but we've implemented an outbound email filter to deal with this instead of bothering legit customers that want to set rDNS by themselves.