<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> What should i do to fix Outlook send and receive Error? [Outlook send and receive error]( https://www.emailsupport.us/blog/fix-outlook-send-receive-error/)stuck your email and hinder your communication. This error may occur due to unstable or unavailable internet connection, wrong or expired email account settings. To resolve this error check your internet connectivity issue and talk to your service provider. Another solution is to check email account setting and make necessary changes in it as per latest update.