Google announced on Wednesday it is enabling Yahoo! Mail, Hotmail and Outlook users to link their existing email accounts to Gmail through the Gmail app to take advantage of its features.

To stay in Google and Yahoo's good graces and keep your emails out of spam, make sure to follow the new guidelines: Related: ...

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With the new Account Key feature, users of the Yahoo Mail app are no longer required to type in their passwords. Online privacy champion Alex Stamos is making it a ...