On 3/1/15, 4:44 PM, "Christopher Morrow" <[email protected]> wrote:
>>>Unfortunately, that's not entirely true. (Very) recent direct-to-MX >>>spam >>>from Comcast customers: >fairly certain that none of these folk block port 25 on their business >customer links. Bingo! Yes, commercial customers do run mail servers from their locations. The list of IPs certainly looked commercial. Jason

