Increasing DMARC Aggregate Reports in Cisco ESA
Increasing the DMARC report daily limit will ensure that you have the proper visibility and are helping other organizations with their DMARC projects.
News & Knowledge
Microsoft Honors DMARC Enforcement Policies
Here’s some long-time-coming news from Microsoft, one of the world’s largest mailbox providers: they have started rolling out changes to honor DMARC policies as published in a domain’s DNS for both their enterprise and consumer email services.
Learning from MSPs
dmarcian’s MSP Program Manager, Joe Garner, offers his thoughts on MSPs and their ever increasing role in protecting small and medium businesses from digital attacks.
DMARC’s Subdomain Policy (sp) Tag
Keeping in mind that cybercriminals leverage unprotected subdomains for phishing exploits, it’s important to have a DMARC deployment plan for every subdomain you create, whether the parent domain DMARC policy is inherited, an sp= tag is published to rule the subdomains, or a p= tag is indicated for the subdomain.
2022 FBI Internet Crime Report
In 2022, the FBI received 800,944 complaints, a 5 percent decrease from 2021. However, the potential total loss has grown from $6.9 billion in 2021 to more than $10.2 billion in 2022.
Best Practices: Advancing Your DMARC policy
Considerations, milestones, tips, and DNS guidelines to help you confidently progress your domains to a DMARC policy of p=reject.
Concluding the Experiment: SPF Flattening
"SPF Flattening" was invented by dmarcian as part of the initial release of the SPF Surveyor. For many years the functionality was flagged as "experimental." Today, we're concluding the experiment and sharing what we've learned.
MSP Program Celebrates One-Year Anniversary
On January 1, 2022, dmarcian launched its official MSP program. While we’ve worked with MSPs for many years, the formalized program was born out of a desire to reach more domain owners in an effort to spread DMARC even further into the ecosystem.
SPF Best Practices: Avoiding SPF Record Flattening
The more services and third-parties that send on your behalf, the more complicated and bloated your record can become. SPF record flattening can be an easy answer, but is not the safest route.
Cisco ESA DMARC Configuration Guide
In this article, we present a guide on deploying DMARC on Cisco's Email Security Appliance.