On 08/05/2013 02:15 PM, Charles Marcus wrote: > Also - I hate to ask (it isn't your job to do their job), but could you > suggest off the top of your head what they *should* be doing? Would > properly closing all VRFY probe connections really impact performance on > their side that much - especially if they are caching these responses > (so those wouldn't even need to be sent downstream to my server)? I > really hope I don't find out they aren't caching them for at least a few > hours to a day or so. >
I could be wrong. I have the impression that they should use something similar to postfix' "reject_unverified_recipient". That's what our anti spam solution does. HTH, Mikael