Leading email marketers would be willing to pay a levy on legitimate bulk mailings, to ensure their emails are properly delivered to customer inboxes.
Up to 40% of legitimate email marketing is filtered out by ISPs as spam, and never reaches the recipient's inbox. Email marketing firms told NMA they'd be prepared to pay a levy on commercial opt-in mailings, to protect their communications from ISPs' spam filters.
http://www.newmediazero.com/lo-fi/story.asp?id=246843

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