Per Marine Administrative Message 590/12 no one is allowed to use their official Marine Corps email account to register for social networking sites or internet-based capabilities. For more details about this message and other social media related tips visit http://www.marines.mil/News/SocialMedia.aspx. - Per Marine Administrative Message 590/12 no one is allowed to use their official Marine Corps email account to register for social networking sites or internet-based capabilities. For more details about this message and other social media related tips visit http://www.marines.mil/News/SocialMedia.aspx.