Quoting Greg Owen ([EMAIL PROTECTED]):
>
> It just came to my attention that my domain is getting rejected for
> what appear to be Anti-SPAM / DNS related issues. Could one of the DNS
> gurus on the list check me on what I think is wrong?
>
> My mail server is sassafrass.softlock.com (204.165.216.231). We are
> suddenly getting bounces, with log messages as follows:
>
> Aug 17 08:32:07 sassafrass qmail: 934893127.225645 delivery 52940:
> failure: Connected_to_212.54.64.155_but_sender_was_rejected./
> Remote_host_said:_555_does_not_resolve_-_check_your_DNS_(#5.1.2)/
I saw on NANOG this morning that h.root-servers.net was returning
authoritative NXDOMAIN for a time. After seeing your post, I looked
in our mail logs and see a lot of our customers sent email early this
morning that was bounced for DNS errors.
Aaron
