This idea has been merged into another idea. To comment or vote on this idea, please visit POLITEMAIL-I-610 Ability to override Microsoft's default font (Calibri) for URLs in a message.
Often fonts change in the Preview so they no longer match the fonts in the actual message. The point of sending a preview is to see exactly how the message will look when it lands in inboxes.
We'd like to look into this further. Would you be able to provide us screenshots or msg files of the sent and received copies of the message? If so, please attach to this thread or email us at customer.feedback@politemail.com if you prefer.