French startup Mailjet has introduced new features to its email management platform designed to help companies measure transactional and marketing emails. The latest tool goes beyond A/B testing and boasts A/X, which allows marketers to 10 versions of an email at once. In March, the company announced that it had raised $3 million in funding and opened a New York office.

Yahoo is making email users use the most recent version of their web browsers, or they will be automatically switched to a basic version of the service. Users must upgrade their browsers to the the two most recent versions of Firefox, Internet Explorer, Chrome, and Safari by June 5 or they will automatically be downgraded to the antiquated version of Yahoo Basic Mail.

Email marketing messages that promote consumer products make up 27 percent of unsubscribes. In addition, emails that market services make up 25 percent of unsubscribes, according to research from Silverpop.

Online home loan business LendingTree has selected StrongView as its email marketing provider. The company plans to improve its scalability, data integration and strategic support with the new vendor.

Marketers may be giving up on inactive email users a little bit too soon, according to a new report from ReturnPath. The "Email Win-Back Programs: Everyone Recommends Them, But Do They Work?" report looked at 300 million messages sent to 100 million subscribers and found that 85 percent of those labeled as inactive, weren't totally inactive. At the minimum these consumers, opened win back email campaigns and didn't unsubscribe.

The Radicati Group estimates that 74.5 billion emails will be sent and received worldwide every day by the end of 2017. This is actually less than the 82.6 billion that are expected to be sent and received this year. In light of inbox overload, Unroll.Me has launched an free email management tool that allows consumers to mass unsubscribe from marketing emails. Chad White, lead research analyst at Salesforce's digital marketing software provider ExactTarget, says that marketers should be worried. He compared the service to Gmail's "Promotions" tabs.

A tax scam email has been circulating around the U.S. claiming that the recipient owes money for penalties on corporate tax. The email appears to be coming from the recipient's local state's tax and revenue agency. Rhode Island Tax Administrator David Sullivan has reported the issue and warned consumers not to open the fraudulent email.

Virtru has launched a new service that lets users encrypt email messages, as well as track their messages, and even recall sent messages. The free service supports Gmail, Outlook, Yahoo, and other email platforms. The company hopes to make email encryption mainstream

Demand for safe and secure email is on the rise in Germany, in response to revelations that the NSA has been spying on email accounts around the world. Since Edward Snowden first made his revelations last year, a number of mainstream secure email platforms have taken off in Germany. For instance, Deutsche Telekom launched 'Email made in Germany' which promises that all emails are automatically encrypted with SSL by default, has signed up 50 million private customers since it launched last year. And now a number of other companies are offering a similar service in Germany.

Tech startup Knotable has launched a new service which aims to help people manage their inboxes. The tool, which launched at TechCrunch Disrupt in New York today, lets users break out important email conversations into a 'Pad' on Knotable. Users can then move these threads through the Chrome extension or tagging in Gmail. Users can edit, highlight, and organize content and make their inbox more actionable.