Spam Filters Snag Charity Messages, Study Finds

A new study of 40 nonprofit organizations found that at least one in five e-mail messages sent over seven months was misclassified as spam.

Mindshare Interactive Campaigns, a company in Washington, used five accounts to subscribe to e-mail lists maintained by 40 nonprofit organizations. The company checked the accounts -- set up with America Online, EarthLink, Gmail, Hotmail, and Yahoo -- weekly from January 9 until August 10, logging how many e-mails were correctly

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