Internet Retailer: SenderID emerges as the new e-mail ticket into AOL, MSN and HotMail inboxes

Marketers and newsletter publishers hoping to get email into mail boxes of AOL, and Microsoft email accounts will likely have to become Sender ID compliant. Microsoft email programs include those from MSN and Hotmail. Senders who aren't identified in emails coming in will be subjected to a virtual sawmill of filters. Those messages with graphics files will be especially hard-hit.