Need to email over 200 people... but how??!

Hello. A little background first: Every month, my company sends out a newsletter by snail mail to over 200 people. I recently started a project of creating an electronic version of the newsletter and we are trying to convert people to receiving the newsletter by email. So far, we have about 45 people that converted. However, when trying to send out the first e-newsletter, I got an error in Outlook saying there are too many recipients. My outgoing mail server is smtp.sbcglobal.net, so I contacted sbc about this and they say there is a limit of 25 recipients by law. I worked around it by sending several duplicate emails until every recipient got one, but is there a workaround for this? A way to send one email to 200 people?