Not necessarily. If they did do something like that it would be a pain to TrueSwitch but hardly the end of the line. All they'd have to do is embed a hidden a h

Not necessarily. If they did do something like that it would be a pain to TrueSwitch but hardly the end of the line. All they'd have to do is embed a hidden a hidden iframe and parse with javascript. Then the webmail provider would have to implement iframe busting, then TrueSwitch would switch to an ajax request that parses the source and it would essentially turn into a massive arms race that I don't see the webmail provider winning.