In this post I will explain TLS-RPT which is an email security reporting mechanism that gives you reports about TLS encryption problems for incoming email to your domain. In this guide, I will explain what TLS-RPT is, how it works and how you can configure it easily for your domains.
6 minute read
MTA-STS is a standard for ensuring TLS is always used for email transmission. This increases security and data protection because emails cannot be read by a Man in the Middle. It works like this for inbound and outbound email to ensure security is applied to all of the messages processed by your emailing solution and domains. In this guide I will explain how it works. Because it is a domain specific configuration, it can work with any service and is not bound to for example Exchange Online. In this guide we use Azure to host our MTA-STS policy. I present you 2 different options for you to choose, and of course only one is needed. You can also choose to use another solution, its it supports HTTPS and hosting a single TXT file, it should work.
12 minute read
When it comes to basic email security, we have 3 techniques that can enhance our email security and delivery by some basic initial configuration. Those are called SPF, DKIM and DMARC. This means, configure and mostly never touch again.
12 minute read
Recently, Microsoft announced the general availability of 2 new security protocol when using Microsoft 365 and the service Exchange Online in particular. SMTP DANE and DNSSEC. What are these protocols, what is the added value and how can they help you secure your organization? Lets find out.
6 minute read