Your Email Content is Killing Your Deliverability—and How to Fix It with LB Blair

You work SO HARD to create a beautiful email… so why is it still going to spam?

In this episode of Email After Hours, hosts Guy Hanson and Danielle Gallant sit down with LB Blair to uncover the email content mistakes that sabotage inbox placement. They’ll also dive into emerging trends that senders, mailbox providers, and subscribers can all agree on.

What You’ll Learn:

• Why image optimization is non-negotiable in 2026
• How alt text became a powerful deliverability lever
• The impact that rendering failures across dark mode and mobile have on subscriber experience
• The two-click rule for auto-download PDFs
• Why relevance is the ultimate deliverability signal

…and more!

Are you an email marketing expert with bold opinions on the industry? Come chat with Guy and Danielle on a future episode! Drop a comment, ping us on LinkedIn, or simply fill out this guest form.

SOME EPISODE HIGHLIGHTS:

• [00:54] Welcome LB Blair: A deliverability expert’s perspective
• [04:24] Images & computing resources: Why mailbox providers are filtering differently
• [07:55] Descriptive alt text as a deliverability signal
• [14:21] Broken links & cybersecurity red flags
• [16:48] SSL security & custom-branded link domains
• [20:20] Lossless image compression reduces file size by 90%
• [23:43] Dark mode optimization prevents unsubscribes
• [25:06] PDF links & corporate spam filter concerns
• [27:37] Relevance remains king—technical perfection isn’t enough
• [29:58] Deliverability insurance: What won’t be covered
• [32:12] Connect with LB Blair & key takeaways