Extra sleuthing in tracking down the mystery Windows Phone 7 data use has pinned at least some of the responsibility on Yahoo e-mail code. Using a script to expose code, Rafael Rivera found that Yahoo's IMAP mail servers send a flood of code every time a Windows Phone 7 device tries to get e-mail. The traffic is about 25 times what's necessary and lead to any regular e-mail checks quickly consuming large amounts of bandwidth....
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