Enable TLS 1.2 on Windows by manually updating the registry files.Take a backup of the registry before making any changes.The encryption however takes place between SMTP servers and is handled outside MailEssentials by IIS SMTP SMTPSVC which is a built-in SMTP server available on Windows server platforms.īy the time the email is scanned by MailEssentials, it appears to be no different from any other unencrypted email hence the TLS settings are not done within MailEssentials but rather on IIS.įollow these steps to enable TLS on your IIS server: MailEssentials supports TLS/SSL SMTP servers. Important Note: If you are unsure about securely performing the steps mentioned in this article, always make a backup before making any changes or reach out to GFI support for more help. GFI MailEssentials supports both, Transport Layer Security (TLS) and Secure Sockets Layer (SSL) SMTP servers, both of which are widely used encryption protocols for secure email messaging.Īs SSLv3 is vulnerable and not secure to use, it is recommended to enable TLS configuration on your Windows Server 2008 R2 and Internet Information Service (IIS) 7.5.
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