For over a year now, email deliverability experts have been talking about the 'fact' that ISPs use engagement metrics (typically not defined by these so-called experts) to determine inbox placement.

Microsoft on May 18 unveiled a host of new features as part of its revamped Windows Live Hotmail offering. The most widely used free Web-based email -- which boasts more than 8 billion messages per ...

Hotmail has been releasing new features to combat gray mail over the past year that have left marketers wondering if they’ll have an even harder time reaching the inbox. The good news is, the changes ...