Transport Layer Security (TLS) encrypts data sent over the Internet to ensure that eavesdroppers and hackers are unable to see what you transmit which is particularly useful for private and sensitive information such as passwords, credit card numbers, and personal correspondence. (further reading: https://www.internetsociety.org/deploy360/tls/basics)
In this article you will learn how to configure Zimbra to use only strong encryption ciphers for TLS.
Further reading: https://wiki.zimbra.com/wiki/Cipher_suites
Posted in Security.