Misconfiguration of greylisting

Wed Jul 25 11:44:41 EDT 2007

Hi,

greylisting is only effective if you've activated it on all
possible mx hosts:

2007-07-25 17:27:37 1IDim1-0007Ys-6X <= friese at london087.server4you.de U=friese P=local S=599 id=20070725152737.GA28885 at london087.server4you.de
2007-07-25 17:27:42 1IDim1-0007Ys-6X SMTP error from remote mail server after RCPT TO:<xemacs-beta-request at xemacs.org>: host mail.xemacs.org [207.172.156.133]: 451 4.7.1 Greylisting in action, please come back later
2007-07-25 17:27:44 1IDim1-0007Ys-6X => xemacs-beta-request at xemacs.org R=dnslookup T=remote_smtp H=yxa.extundo.com [83.241.177.38] X=TLSv1: DHE-RSA-AES256-SHA:256
2007-07-25 17:27:44 1IDim1-0007Ys-6X Completed

$ dig xemacs.org mx
xemacs.org.		834	IN	MX	10 mail.xemacs.org.
xemacs.org.		834	IN	MX	20 yxa.extundo.com.

Most setups I know of use only 1 designated mail host.

Peter