Mike Buckbee

Email deliverability expert and founder of Send Check It

Articles by Mike Buckbee

Email Deliverability: How Plain Text vs HTML Affects Your Inbox Placement

Published January 02, 2026

Modern spam filters treat plain text and HTML emails differently. Learn how email format affects deliverability and which to use for better inbox placement in 2024.

What's an Email Tracking Domain?

Published January 02, 2026

Corporate email security systems block generic tracking domains from Mailchimp, SendGrid, and others. Learn why custom tracking domains are critical for B2B email deliverability in 2026.

GDPR Email Compliance: The Complete Guide for EU Marketing (2026)

Published December 31, 2025

Everything you need to know about GDPR email compliance. Consent requirements, data protection, penalties, and how to market legally in the EU.

CASL Compliance: The Complete Guide for Canadian Email Marketing (2026)

Published December 31, 2025

Everything you need to know about Canada's Anti-Spam Legislation (CASL). Requirements, consent rules, penalties, and how to comply.

CAN-SPAM Compliance: The Complete Guide for US Email Marketers (2026)

Published December 31, 2025

Everything US email marketers need to know about CAN-SPAM compliance. Requirements, penalties, best practices, and how to avoid violations.

Base64 Encoding Images in Emails: A Complete Guide

Published December 29, 2025

Learn how base64 encoding works for embedding images in emails, when to use it, and the pros and cons of this technique for email marketing.

How to Write the Worst Subject Line Possible

Published November 24, 2025

Writing one of the worst email subject lines is an art. And an art form that too many are forgetting how to do - at least purposely.

How To Choose the Best Email Marketing Service for your Business

Published November 24, 2025

This 2,600+ word guide will help you build the ultimate email marketing stack. Great info for both B2B and B2C Marketing and Sales.

Case Study: Supreme’s Unconventional Email Marketing Strategy

Published November 24, 2025

If I saw a brand implementing an email marketing plan like Supreme's, I'd tell them to stop. But, their plan works - here's why.

Why You Should Put Your Content on Both Medium and Your Own Domain

Published November 24, 2025

How to leverage your own site and Medium without duplicate content issues.

How Integrated Marketing Concepts Can Help You Write Emails That Convert

Published November 23, 2025

Aligning your marketing message across channels helps boost your overall marketing effectiveness.

What You Need to Know to Write Emails Like HelpScout, ConvertKit, and More!

Published November 23, 2025

Ever wondered what the formula to email marketing success is? We break down emails sent by the pros to find out.

What's Stopping Your Emails from Achieving a Unicorn ROI?

Published November 23, 2025

Frustrated by your email marketing ROI? Are you just not able to get enough people to open your emails? I'm 98% sure this is what you're doing wrong.

Why you shouldn't use 'RE' in your Subject Lines

Published November 23, 2025

Email marketers have begun adding RE at the beginning of their subject lines to help boost opens. It's going to cost them.

How to Improve Conversions With Activation & Intensification

Published November 23, 2025

Learn how to boost SaaS conversions by 25-50% using activation and intensification techniques to guide users down the happy path and increase their desire to upgrade.

How to Banish Bad Subject Lines Forever

Published November 23, 2025

Use our subject line analyzer built from 100,000+ real email campaigns to evaluate your subject lines before you send and avoid common mistakes.

The Difference Between Plain Text and HTML Emails

Published January 02, 2025

Could a 10+ year debate be coming to an end? We look at plain text emails vs HTML emails and help you pick the right one for your business.