How to validate a DKIM record

validate your DKIM record using the DKIM Record Checker   Troubleshoot the DKIM record implementation If the selector is not valid, please check with your hosting provider if the records are entered correctly in your Domain Name Server (DNS). Using the command-line tool dig in OSX and Linux, you can debug some more to try and figure …

How to choose the right DMARC Policy to protect your email channel

With almost 5 billion email accounts worldwide, there’s no channel with a wider reach than the email channel. This ensures that cyber criminals like to use this channel for malicious purposes. Despite the fact that better security measures have been taken to protect this channel in recent years, the crime on this channel is increasing …

How DMARC can improve email deliverability and domain reputation

Can DMARC improve my email deliverability? Will my domain reputation improve by placing a DMARC record? In this article we will answer these questions. What is DMARC? DMARC (Domain-based Message Authentication Reporting and Conformance) is an email validation system designed to protect domains from being used for email spoofing, phishing scams and other cybercrimes. DMARC …

Inconsistent DMARC data from Yahoo

DMARC Analyzer receives a lot of DMARC reports for its clients everyday. We sometimes receive DMARC reports from Yahoo which provides inconsistent data about DKIM signatures, we will explain what happens and how we fixed it. What is DKIM? DKIM is an email authentication technique. With DKIM a digital signature can be added to an …

How to align email with DMARC

Organizations often get sources reported back to them in the DMARC reports which fail the DMARC checks. In this article we will explain how to setup DMARC for these ‘not compliant’ sources. First, get insight into your email channel When a DMARC record is placed within the DNS, ISPs who have adopted DMARC will start …

How to setup PGP encryption for Forensic reports?

DMARC Analyzer doesn’t store the body of Forensic reports by default. It is possible privacy sensitive data is included in these emails. For analysis it will be harder as you don’t know which email causes your DMARC to fail. To fix this problem we introduced a new method to view the Forensic reports. When a …

Forensic DMARC reports explained

In order to receive DMARC forensic reports an organization needs to create a DMARC record and publish it into the DNS. After publishing a DMARC record, DMARC Analyzer will be able to receive DMARC forensic reports from all ISPs that support DMARC. These forensic reports contain crucial information to secure an organization’s domains. This article …

Forensic report overviews explained

Within the DMARC Analyzer Suite it is possible to view forensic reports. The forensic messages are grouped based on the subject of the detailed message. Expanding the overview shows detailed results from these messages, including the feedback- and email headers. Users are able to identify invalid email flows a lot faster by using the forensic …

Aggregate report overviews explained

Within the DMARC Analyzer Suite one can find the DMARC Aggregate Reports section in the left side bar. It is possible to group data from the DMARC aggregate reports in multiple overviews: the per sending source, the per result, the per organization and per host overviews. In this article we will explain how these overviews …

Usage of discussion lists and DMARC

Discussion lists can pose a ‘challenge’ while implementing DMARC. The reason for this is that discussion lists typically distribute the message to the list members. In doing so, impersonating the initial sender of the message. While this is (and has been for a long time) the intended workflow for discussion lists, this can introduce issues …

When to enforce the DMARC policy to reject?

The following article covers when an organization is ready to enforce the DMARC policy. We give comprehensive guidance on how to enforce the DMARC policy and discuss whether it is always desirable to enforce the DMARC policy to reject. What DMARC policies are available and what impact do they have on email delivery? Within DMARC …