1 Mar
2015
1 Mar
'15
6:16 p.m.
On 3/1/15, 4:44 PM, "Christopher Morrow" <morrowc.lists@gmail.com> 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