Blog

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

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Email Security

Security Is Only as Strong as the Weakest Engineer

March 5, 2026

A real-world reminder that even the most expensive cybersecurity programs can be undermined by simple human mistakes.

Email Deliverability

Why Your Gmail Emails Go to Spam (And How to Fix It)

March 3, 2026

Using Gmail for business emails, especially automations and batch sending, will likely land you in spam. Here’s why and what to do instead.

Email Deliverability

Why Small Batch Emails Can Trigger Gmail Sending Limits

February 25, 2026

Why a Google Drive link in a CRM batch email triggered spam flags and a Gmail sending limit error — and how proper domain authentication fixes it.

Email Security

Google.com Scam Sent via Gmail API - DMARC Passed, No Account Compromise

February 11, 2026

A scam email sent from @google.com passed SPF, DKIM, and DMARC without a compromised account. Here’s what it reveals about modern email threats.

Email Deliverability

Google Postmaster v2 API Signals Upcoming v1 Deprecation

February 9, 2026

Google has updated its Postmaster v2 API documentation, signaling that the v1 API is likely approaching deprecation.

Email Deliverability

Why Email Has So Many Rules (And Why That’s a Good Thing)

February 6, 2026

Email has more rules than ever, and for good reason. Different inbox providers enforce strict standards to protect users and control spam.

Email Deliverability

Why Routing CRM Emails Through a Third-Party ESP Can Hurt Deliverability

February 4, 2026

A real-world look at whether CRM emails should be routed through a third-party ESP, and why proper infrastructure architecture matters for deliverability.

Email Deliverability

When to Separate Marketing Email From Your CRM

February 2, 2026

Should you use a 3rd party email provider for newsletters instead of your CRM? This post explains why emails go to spam, when a third-party tool helps, and when it won't.

Email Deliverability

How to Handle Bounces and Blocks Properly

January 28, 2026

Why treating all bounces the same is a mistake – and how to properly handle soft bounces, hard bounces, and blocks for better deliverability.

Email Security

When Vendors Control Your DNS: A Hidden DMARC Security Risk

January 26, 2026

A real-world example of how third-party DNS control can silently block DMARC visibility, redirect domain telemetry, and introduce serious email security and data exposure risks.

Email Deliverability

Why Email Reputation “Fixer” Tools Usually Make Things Worse

January 20, 2026

Why email reputation “fixer” tools and warm-up software often backfire and what actually works when your emails start landing in spam.

Email Deliverability

Why Gmail Blocks Sending After Just a Few Emails

January 16, 2026

Explanation of why Gmail blocks sending during CRM batch emails and what's actually causing it.