I've used Mailchannels at several different companies, with one installation
that does over 60 million outbound emails per month. I've run my own mail
relays and know the pain of trying to prevent a few bad apples from ruining
your sending reputation for the good senders. After using Mailchannel
I saw this company mentioned in a Krebs On Security article.
http://www.mailchannels.com/
Probably not too many of us do enough hosting business that we have to worry
about signing up a spammer who trashes the reputation of our IP blocks. I
do get a few unsolicited requests per year from peop
