E-mail Marketing: Differentiate Your E-mail Marketing Messages From Spam

Additionally, services are available that will validate your reputation as a responsible mailer, assigning a score to e-mails from your company and providing that score to ISPs. MSN Hotmail currently receives reputation scores from two reputation services. At this stage, e-mailers are paying these services to verify their e-mails as reputable, based on a number of criteria, such as the amount and frequency of e-mails sent, as well as relevance.