Microsoft has added a new feature for Outlook that allows users to "Like" an email in the same way that they would "Like" a Facebook or Instagram post. The emails can be tagged to others with the "@" symbol. Senders and other people on the email chain will see the thumbs-up tag in the response.

ProtonMail, an "NSA-proof" email tool developed by researchers from CERN and MIT, will be widely available next month. The crowdfunded startup began two years ago. Since then the company has raised more than $500,000 through crowdfunding and has signed up some 700,000 beta users. The tool allows users to encrypt their emails with end to end tools using Android, iPhone or desktop apps.

Turing Email wants to be the "Swiss Army knife" of email. The startup is hoping to become a central inbox for professionals who juggle several email addresses including a work email address and a personal address. Turing also helps manage the inbox by identifying the more formal messages vs the more instant message-like internal communications into their own categories.

Australian college Macquarie University is migrating its email system from Gmail to Office 365 citing privacy concerns. After Google moved the university's data to the U.S. the university said it was forced to look for an alternative system, concerned that the move would compromise its data.The group has been testing the new Office 365 solution and will roll it out across its organization by the end of the year.

Amazon SES has been updated and the new version brings along the ability to process incoming bulk email. The Amazon Web Services Simple Email Service (Amazon SES) will now support processing incoming bulk email messages.

Scott Gration, the former U.S. ambassador to Kenya, was fired after he used a private email to communicate with the State Department several years ago. The emails were released this week as part of the public release of Hillary Clinton's emails. Despite the precedent, Clinton argues that her own use of a private email server was valid.

Presidential hopefuls are using email to help their fundraising efforts. "I am counting on you like never before," writes Arkansas Gov. Mike Huckabee in an email. "Hi, Friend, I need your help. I'm writing to ask a personal favor," former Pennsylvania Senator Rick Santorum pleads via email.vJeb Bush and Hillary Clinton have also been very active in the inbox seeking support.

Russian hackers tried to break into Hillary Clinton's private email server while she was US secretary of state. The scammers sent emails that looked like New York City parking tickets, but included malicious links. Had she downloaded the files, she could have exposed her email account to the criminals. However, there is no evidence that she was duped by these scams.