as i said, much of the crap coming through, 10-20 times normal, does not have dkim. i suggest that focusing on dkim is a red herring. and yes, i know how dkim works.
> If that is the case, there must be someway to configure to reject if the > dkim signature is invalid. 5.0-0.8 is a large valus, at least in this area. > You could always block their ip in the ... their? you are presuming a single soure. > You could also add a rbl query to your mail server config to spamhaus. have had that for years randy