The following email service providers are noted or mentioned in “1000 Things Every Business Owner and Manager Should Know About Internet Marketing.”
Practical Online Marketing Recommends
AWeber – http://www.aweber.com
Constant Contact – http://www.constantcontact.com
Others
MailChimp – http://www.mailchimp.com
My Emma – http://www.myemma.com
Vertical Response – http://www.verticalresponse.com
iContact – http://www.icontact.com
Get Response – http://www.getsponse.com