In this guide, I will show you a quick and easy way to Enable Tls Encryption on your Postfix server. The reason why you would want to enable this is that some email servers automatically mark incoming emails as spam if they are not encrypted with TLS as well as this helps prevent people from intercepting email traffic from your server. You can see if TLS is already enabled by sending a test email to a Gmail account and checking if you see a similar result as the screenshot below. To enable TLS you simply need to edit your postfix

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