Outbound filtering (was Re: How to get removed from spamcop?)

2013-10-29 Thread David F. Skoll
On Mon, 28 Oct 2013 21:42:29 -0400 (EDT) "John R. Levine" wrote: > But outbound filtering is far more useful when it, you know, actually > works. Outbound filtering is far trickier than inbound filtering. Unless you really want to annoy your customers, you have to hold suspect mail (anything sc

Re: Outbound filtering (was Re: How to get removed from spamcop?)

2013-10-29 Thread Neil Schwartzman
On Oct 29, 2013, at 9:31 AM, David F. Skoll wrote: > On Mon, 28 Oct 2013 21:42:29 -0400 (EDT) > "John R. Levine" wrote: > >> But outbound filtering is far more useful when it, you know, actually >> works. > > Outbound filtering is far trickier than inbound filtering. Unless you > really want

Re: Outbound filtering (was Re: How to get removed from spamcop?)

2013-10-29 Thread David F. Skoll
On 29 Oct 2013 09:45:02 -0700 "Neil Schwartzman" wrote: > the difficulty with a rate-limiting approach is the criminals > reverse-engineer it pretty quickly, and just spread the joy over > numerous accounts. True, though that's quite hard. Given a user population of 10K users, it's pretty easy