>That helps but even though I think I invented greylisting about 20 >years ago, I don't do it any more. A five second greet pause to newly >seen sending IPs seems to catch about the same set of bots without >the annoying delays and lost mail.
John, maybe I should ask on the Postfix list but sicne you mentioned it; this doesn't cause issues with "real" servers who don’t wait to talk then? Will they retry and pass next time? I see postscreen has the postscreen_greet_wait = 5s option, that I'm not using. Thank you, Scott _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
