David works as a Support Analyst for White Well Inc. He uses Microsoft Outlook 2010's business card to save contacts information. MS Outlook has been configured to use an Exchange account. He includes two business cards in an e-mail message to send the contact information about the suppliers to Mr. Thompson and Mr. Jackson. By using the business cards, David will visually communicate the corporate and personal identity of the suppliers. He sends the e -mail message. However, the recipient of the e-mails receives the cards that are only images and are non-clickable. They also receive an attached .vcf file that contains the information about the contact. Which of the following is a cause of the issue?