Blog

Practical insights on email deliverability, security, and infrastructure — based on real findings from working with 450+ organizations.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Newest

Email Deliverability

SendGrid Professional Services vs. Independent Email Deliverability Consulting: How to Choose

April 12, 2026

How to choose between SendGrid Professional Services and an independent deliverability consultant — and when scope should make the decision for you.

Email Security

Coordinated Subdomain Takeover Campaign Targeting US Universities

April 7, 2026

Attackers are hijacking abandoned .edu subdomains via orphaned CNAME records, serving spam under trusted university domains and exploiting SEO authority.

Email Deliverability

Email Deliverability Isn’t About Engagement - It’s About Security

April 1, 2026

Email deliverability starts with security, not engagement. Without a strong foundation, nothing else matters.

Email Deliverability

Why Your Emails Are Going to Spam (And How to Fix It)

April 1, 2026

Nine reasons emails land in spam — domain reputation, complaint rates, authentication gaps, spam traps, and more — with specific fixes for each.

Email Deliverability

SendGrid Deliverability Problems: Common Issues and How to Fix Them

March 28, 2026

The most common SendGrid deliverability problems — authentication gaps, suppression mismanagement, IP reputation issues — and how to fix them.

Email Security

Cloudflare's DMARC Documentation Exposed an Unregistered Domain And Dozens of Organizations Paid the Price

March 27, 2026

How an unregistered domain in Cloudflare's DMARC documentation silently exposed infrastructure data from dozens of organizations.

Email Deliverability

Why Email Deliverability Is a Much Higher Barrier Than Getting Into IT

March 26, 2026

Getting into IT is one thing. Keeping emails in the inbox at scale is a completely different challenge.

Email Deliverability

Email Deliverability Audit: What It Is and When You Need One

March 25, 2026

What an email deliverability audit covers, what it typically uncovers, and the key signals that tell you it's time to get one.

Email Security

FinTech AccessPay Exposed Internal Email Infrastructure Data for Years

March 19, 2026

A misconfigured DMARC record sent sensitive email infrastructure data to an unregistered domain, creating a long-term exposure risk.

Email Security

DMARC Enforcement Guide: Moving from p=none to p=reject Without Breaking Email

March 18, 2026

A step-by-step guide to moving your DMARC policy from p=none to p=reject without disrupting legitimate email. Includes common mistakes to avoid.

Email Security

Never Let Your Domain Expire (Hackers Are Watching)

March 13, 2026

An expired domain can become a major security risk. Here’s why you should never let your domain lapse.

Email Deliverability

Why Your Email Open Rates Drop After Verifying Your Domain

March 11, 2026

Verifying your email domain improves deliverability, but if done incorrectly it can temporarily destroy your open rates. Here’s why it happens and how to recover.