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Email Marketing

Why Is My Email List Decaying? Causes and Fixes

Email list decay is the slow, steady loss of usable contacts on your list as addresses go dead, people change jobs, and subscribers stop engaging. It happens to every sender, and most lists shed somewhere between a fifth and a third of their contacts every year even if you...

· 7 min read
Email Deliverability

What Is Greylisting and How Does It Affect Email Delivery?

Greylisting is a quiet, behind-the-scenes spam defense that temporarily turns away mail from senders it does not recognize. If you have ever seen a legitimate message arrive a few minutes late, greylisting is often the reason. This guide explains what greylisting is, why so many mail servers use it,...

· 7 min read
Email Deliverability

What Is DMARC and How Do I Set It Up the Right Way?

DMARC, short for Domain-based Message Authentication, Reporting, and Conformance, is the policy layer that ties SPF and DKIM together. It tells receiving mail servers what to do when a message claiming to be from your domain fails authentication, and it sends you reports so you can see who is...

· 7 min read
Email Deliverability

DKIM Explained: What It Is and How to Set It Up

DKIM, short for DomainKeys Identified Mail, is a way for your mail server to add a cryptographic signature to every message you send. Receiving servers use that signature to confirm the email really came from your domain and was not changed in transit. It is one of the three...

· 7 min read
Email Deliverability

What Is an SPF Record and How Do I Check Mine?

An SPF record is a DNS entry that lists which mail servers are allowed to send email for your domain, helping inbox providers spot spoofed messages. This guide explains what SPF is, why it matters for deliverability, how the syntax works, and exactly how to check your own record...

· 8 min read
Email Verification

What Is a Catch-All Email Address and How Do You Detect One?

A catch-all email address is a domain setting that accepts mail sent to any address at that domain, even if the specific mailbox does not exist. This guide explains what catch-all (also called accept-all) domains are, why servers use them, why they make verification results come back as unknown...

· 7 min read
Email Deliverability

What Are MX Records and How Do I Check Them?

MX records are the part of your domain's DNS that tells the rest of the internet which servers should receive email for your domain. Without a valid MX record, messages sent to your addresses have nowhere to land, which is why checking these records is one of the first...

· 8 min read
Email Verification

Single Opt-In vs Double Opt-In: Which Is Better for You?

Single opt-in adds a subscriber to your list the moment they submit a form, while double opt-in sends a confirmation email first and only adds them once they click the link inside. The choice between the two shapes how fast your list grows, how clean it stays, and how...

· 8 min read
Email Verification

Should You Email Role Accounts Like info@ and support@?

Role accounts are shared email addresses like info@, support@, and sales@ that belong to a team or function rather than a single person. This guide explains what role based addresses are, why they raise spam complaint and deliverability risk, when they are actually acceptable to email, and how to...

· 7 min read