What Is DMARC?

DMARC, also known as Domain-based Message Authentication, Reporting and Conformance, is a form of email authentication that builds on existing authentication protocols. These authentication protocols play an important role in protecting users from spammy or malicious email content. We’ve previously covered other email authentication protocols including DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF). … Continue reading “What Is DMARC?”

What Is a Blacklist and Why Is My Domain on One?

We’ve said it once and we’ll probably say it 100 times more: Deliverability is always on the minds of email marketers. And when it comes to deliverability, blacklists play a big role. In this post, we’ll walk you through what a blacklist is, how your domain can get on them, and steps you can take … Continue reading “What Is a Blacklist and Why Is My Domain on One?”

What Is SPF? Everything You Need to Know About Sender Policy Framework

We hear a lot from our readers and customers about email deliverability. Sure, there’s all the buzz about GIFs, Outlook and Gmail inbox changes, but avoiding the spam folder is still top of mind. We’ve written extensively on DomainKeys Identified Mail (DKIM) and how they affect email deliverability. In this post, we’ll cover another spam-related … Continue reading “What Is SPF? Everything You Need to Know About Sender Policy Framework”

Diagnosing your Deliverability Problems

Sometimes it can seem like quite a challenge to figure out why your email isn’t getting delivered. A few spam blockers will kick out reasons (like Postini and SpamAssassin), but many others won’t give you any information at all. So how can you figure out what problem is plaguing your latest email campaign? It’s not as difficult as you might think. The tools we offer at Email on Acid can make it easy to determine the problem.