On Tue, Jul 24, 2012 at 10:49:48AM +0200, Morten Stevens wrote: > No, greylisting is really a bad solution. It is not RFC compliant Of course it is. Have you readen RFC 6647? > and delays the mail traffic. Greylisting with whitelist and reputation-based greylisting delay makes it painless. -- Emmanuel Dreyfus manu at netbsd.org