TLS Encryption for Email Sends in SFMC
Transport Layer Security (TLS) is a crucial aspect of email security, ensuring that your communications are encrypted and secure during transmission. In Salesforce Marketing Cloud (SFMC), TLS is enabled for all outbound emails by default. Here’s a comprehensive look at how TLS works in SFMC and what you need to know to manage it effectively. Default TLS Settings By default, SFMC uses an opportunistic TLS setting for all outbound emails. This means that SFMC will attempt to establish a TLS connection when sending emails. If a TLS connection cannot be established, the email will be sent in plain text. This default setting ensures that emails are encrypted whenever possible without disrupting the delivery process. For more detailed information, you can refer to the official Salesforce article here: https://help.salesforce.com/s/articleView?id=000387912&type=1 Reviewing Email Headers for TLS Information To verify if an email was sent using TLS, you can review the email headers. Lo...