Depending on the security level of the sender, you may be prompted for secondary authentication:
Many large companies use "UOP" systems to distribute employee handbooks or code of conduct updates. The code verifies that you (and only you) have viewed the mandatory compliance training or attachments. www.uophotos.com code
This code creates the layout: a header, a responsive image gallery grid, and a footer. Depending on the security level of the sender,