outages mailing list is back online!
rsk at gsp.org
Tue May 27 08:00:36 CDT 2008
Not quite. Outages list traffic appears to be originating from
18.104.22.168, which has rDNS mx2.amigostecnicos.net, which has
forward DNS 22.214.171.124, which does not match the originating IP.
This inconsistency may cause deferral/rejection/quarantining depending
on how recipients' MTAs are configured. For example, sendmail with
require_rdns switched on responds with a 451 to this.
I suggest fixing the DNS inconsistency.
More information about the NANOG