I'm new to greylisting, and have just set up spamdyke on a mail server with a few hundred users. Immediately my colleagues and I got annoyed with delayed deliveries to our personal addresses ;P.
I'm wondering if it would be a reasonable solution to create a `graylist-exception-rdns-file` containing the top 500 or so most common reputable rdns hosts? Surely no spam would be expected to originate from rdns origins matching, e.g.: .twitter.com .apple.com .amazonses.com .gmail.com …etc Using a list such as http://moz.com/top500 might be a good start. I hope this method would allow the prevention of delivery delays from the hosts people rely on most, while still inhibiting spam from the other 99.99999% of rdns hosts. Does anybody have experience using this method? I'm trying it now, and will report back if I have any issues. But I don't have a history of using greylisting, so not sure if it is a best practice. Thanks, Quinn _______________________________________________ spamdyke-users mailing list spamdyke-users@spamdyke.org http://www.spamdyke.org/mailman/listinfo/spamdyke-users
