Most workers spend 28 percent of their time at work managing their inboxes, according to a recent study from McKinsey. Executives spend even more time plugging away at their email. McKinsey estimates that if companies improve communication through collaboration and social tools, worker productivity could improve by 20 to 25 percent.

Emails containing malicious URLs and attachments were up 800% in Q1 2016, as compared to Q1 2015, according to a new report from Proofpoint. The research revealed that Locky ransomware and the Dridex banking trojan made up the majority of the document attachment-based attacks in Q1. Locky accounted for 24 percent of these attacks and Dridex made up 74 percent of these attacks.

The latest email marketing message from the Bernie Sanders campaign includes an old picture of Hillary Clinton and Donald Trump celebrating together at Trump's wedding. "Over the past few days, Hillary Clinton's campaign and some of its top supporters have launched an odd new line of attack against people like you who stand with Bernie," read the email. "They are saying that by continuing to campaign and fight for every vote, for every delegate, that we are helping Donald Trump."

More than half (56.9%) of marketers use responsive email templates, according to a new survey from Email on Acid. The company surveyed 3,500 US marketing professionals worldwide and found that 7.9% use fluid hybrid design, a new email optimization tool. About 20% of marketers use both.

Tech startup EasilyDo has launched an email app for iOS devices which is designed to help users manage their inboxes. The app pulls data from email messages, as well as email attachments into smart folders allowing users to organize folders around events such as travel information, package shipments and newsletters.

The U.S. House of Representatives passed the Email Privacy Act unanimously. The bill, which updates the 1986 Electronic Communications Privacy Act, will require law enforcement to obtain a warrant to read a citizen's emails. The bill now moves on to the Senate.

Hotels can do more to improve the email experience, according to analysis from hotel CRM firm Guestjoy. The company analyzed 50,000 emails sent by hotels and determined that while hotels are good at sending transactional emails, these hospitality companies could do more to follow up. This includes sending welcome emails, newsletters, and review requests after a guest has stayed in the property.

Google has a new feature that will let webmasters unsubscribe from certain email notifications that come from Google Search Console. The tech giant revealed the feature on Google+: "We've added a new feature to help you tailor the type of messages you receive," explained the message.

U.S. workers spend 17 percent of their time at work on email, according to new research staffing firm Robert Half. The research comes from more than 2,200 CFOs in more than 20 of the largest U.S. metropolitan areas. According to the report, being copied on irrelevant emails and long and rambling messages were often to blame.

Emmerge, an email and to-do list technology provider, has released its official iOS app. The app helps users manage their tasks while collaborating with contacts by organizing a user's inbox into filters. The app allows users to tag messages and organize content based on specific topics or companies.