Today i am releasing a DMARC implementation guide that covers full implementation flow , best practices and common mistakes of a DMARC implementation. The Implementation guide also shows a new attacks abusing EAI (Link to post) to bypass DMARC and how to combat this. This guide will take email security for your domain to a higher level where it becomes…
Do you recognize that a lot of times when you search for tools on the internet they are either paid, don`t tell you the entire story, or are hosted by companies trying to market their product and sell you a service. Due to all these issues I started to build new tools to serve the community. I present the first…
On week 3 of the script update month I am releasing a major code update to the Create-DMARC report script. In this release of the DMARC Report tool I am adding a lot of new major functionalities, some minor functionality’s and a few bug fixes. The biggest improvement is the support for the most wanted PowerBI integration so next to…
Today I am releasing the DMARC monitoring tool to the community. It has been in development over the pas few weeks and is now ready to be used. This Report tool will give you detailed insight into domains that are trying to spoof your owned domains, subdomains or even non existing brand names. As this can cause damage to your…
When I am in the field and I talk to email administrators most of them know what SPF is, but when we are talking about DKIM ( Domain Keys Identified Mail ) it seems that only the bigger company’s have implemented this protocol. Most of the time it was not the companies choice to implement DKIM but it came from a requirement enforced by a…
Antispam counter measures explained Part 1: How the Sender Policy Framework really works Antispam counter measures explained Part 2: Advanced SPF records, Best practice and biggest mistakes Antispam counter measures explained Part 3: How DKIM really works and best practice In Part 1 I explained the basics of SPF and how you can implement the most common scenario`s. After the…
Antispam counter measures explained Part 1: How the Sender Policy Framework really works Antispam counter measures explained Part 2: Advanced SPF records, Best practice and biggest mistakes Antispam counter measures explained Part 3: How DKIM really works and best practice In this first part of “Antispam counter measures explained ” I will start with a detailed explanation of how…
In the last releases of the exchange cu’s for Exchange 2013 and Exchange 2016 Microsoft has introduce a new feature that will support NON-ASCII characters in the local and domain part of email addresses. ( email addresses examples: Пользователь@domain.com or user@доме.рф). This implementation is being done to have support for more languages in the office 365 service. Microsoft started the implementation…