Learn how Gmail encrypts your emails When you send a message, Gmail uses encryption to help keep your message private and secure until it reaches the right person.

Why is encryption in transit important? Encryption in transit helps protect your emails from being snooped on while they travel between you and your intended recipients.

Additional encryption relies on the S/MIME 3.2 IETF standard to send and receive secure MIME data. S/MIME requires email senders and recipients to have their X.509 certificates trusted by Gmail.

With Google Workspace Client-side encryption (CSE), you can add another layer of encryption to your organization's data—like files and emails—in addition to the default encryption that Google …

Send email over a secure TLS connection Transport Layer Security (TLS) is a protocol that encrypts email messages for security and privacy. TLS prevents unauthorized access of messages when …

Users with a consumer Google Account (such as Gmail users) can't access client-side encrypted content, send encrypted email, or participate in client-side encrypted meetings. To view or edit client …

Send messages & attachments confidentially On your computer, go to Gmail. Click Compose. In the bottom right of the window, click Toggle confidential mode . If you've already turned on confidential …

Learn what the encryption icons mean When you send or receive messages in Gmail, a lock icon shows and indicates the encryption level. Learn about email encryption in Gmail. Standard encryption : …

Compare your edition You can set up hosted Secure/Multipurpose Internet Mail Extensions (S/MIME) in your Google Admin console to help protect your people in your organization from phishing, harmful …

TLS & SSL connections Transport Layer Security (TLS) is a standard internet protocol that encrypts email for privacy and secure delivery. TLS prevents unauthorized access of email when it's in transit …