Gmail here, went to my Inbox. On Wed, Aug 31, 2016 at 10:41 AM, Jay Farrell via NANOG <nanog@nanog.org> wrote:
> Interestingly, your mail to the nanog list went to my spam folder, rather > than my nanog folder (I'm using gmail or domains for my mail.) That rarely > happens. > > On Tue, Aug 30, 2016 at 9:22 AM, Webhosting.net Admin < > ad...@webhosting.net> > wrote: > > > A few of our exchange IPs get blocked intermittently, but only by ATT. > Ips > > are clean, no issues, we’re diligent about finding and fixing these types > > of issues as it has a large impact. > > > > It would be very helpful to know why the IP below got blocked so we can > > find and fix the problem to prevent further listing. We have a few ips in > > rotation and some have no issue. It’s a “blind” listing, so we only find > > out about it when customers complain that they getting blocked. > > > > ff-ip4-mx-vip1.prodigy.net #<ff-ip4-mx-vip1.prodigy.net #5.3.0 smtp; 553 > > 5.3.0 flph399 DNSBL:ATTRBL 521< 67.215.167.170 >_is_blocked.__For_ > > information_see_http://att.net/blocks> #SMTP# > > > > Any info/help would be most helpful. > > > > Many thanks, > > > > Webhosting.net Postmaster > > > > > > > > > > > > > > >