Someone will reach out. In the future, FYI: http://postmaster.comcast.net/ Thx - Jason On 3/27/15, 12:17 PM, "Drew Linsalata" <drew.linsalata@gmail.com> wrote:

We're wresting with a Comcast IPv6 SMTP block and none of the Comcast postmaster communication tools allows entering an IPv6 address. End result = brick wall.

If anyone from the Comcast postmaster team is listening, a message off-list would be most appreciated.