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Your email is important to you, and making sure it stays safe and always available is important to us. As you go about your day reading, writing and checking messages, there are tons of security measures running behind the scenes to keep your email safe, secure, and there whenever you need it.

Starting today, Gmail will always use an encrypted HTTPS connection when you check or send email. Gmail has supported HTTPS since the day it launched, and in 2010 we made HTTPS the default. Today's change means that no one can listen in on your messages as they go back and forth between you and Gmail’s servers—no matter if you're using public WiFi or logging in from your computer, phone or tablet.

In addition, every single email message you send or receive—100 percent of them—is encrypted while moving internally. This ensures that your messages are safe not only when they move between you and Gmail's servers, but also as they move between Google's data centers—something we made a top priority after last summer’s revelations.

Of course, being able to access your email is just as important as keeping it safe and secure. In 2013, Gmail was available 99.978 percent of the time, which averages to less than two hours of disruption for a user for the entire year. Our engineering experts look after Google's services 24x7 and if a problem ever arises, they're on the case immediately. We keep you informed by posting updates on the Apps Status Dashboard until the issue is fixed, and we always conduct a full analysis on the problem to prevent it from happening again.

Our commitment to the security and reliability of your email is absolute, and we’re constantly working on ways to improve. You can learn about additional ways to keep yourself safe online, like creating strong passwords and enabling 2-step verification, by visiting the Security Center: https://www.google.com/help/security.

Posted by Nicolas Lidzborski, Gmail Security Engineering Lead

Cross-posted from the Official Gmail Blog