[chrishajer]

My recommendation would be to hire an email marketing service.

http://myemma.com/

http://www.constantcontact.com/

http://www.aweber.com/

http://www.verticalresponse.com/

http://www.profollow.com/

There are so many of them. I don’t have an affiliation with any of them, but outsourcing this function is better than trying to send them all from your server IMO.