Blackout Periods in Email Marketing: When NOT to Send
An email blackout period is a window where you stop all sends. Done right, it protects engagement. Done wrong (with a burst-send after), it tanks it.
Read more →
Blog
Notes from the inside of email AI.
Deliverability, send-time optimization, audience engagement, and the future of email marketing - written by the people who build Seventh Sense.
Why Email Latency Is the Metric Your Platform Is Hiding
Email engagement latency — the gap between send and first open — is the only metric that proves your send time optimization is working. Here's why platforms hide it.
Read more →
Send-Time Optimization Actually Works — Here's the Proof
Send time optimization HubSpot skeptics are usually right about the wrong things. Here's the math on why recipient-level STO actually moves engagement.
Read more →
Shared vs. Dedicated IP for HubSpot Email: When to Switch
HubSpot dedicated IP isn't an automatic win. Here's the volume threshold where it makes sense, when shared is better, and what IP warming requires.
Read more →
The Gmail Promotions Tab: How Your HubSpot Emails End Up There (and How to Escape)
The Gmail promotions tab HubSpot problem isn't always a problem. Here's how Gmail decides, what triggers Promotions, and when escape is worth chasing.
Read more →
Seed Lists Demystified: What They Catch That Your Inbox Won't
Email seed list testing reveals provider-specific inbox placement before your real recipients do. Here's how to set one up that actually catches problems.
Read more →
The App Is the Render Target: How We Built Our HubSpot Site Backwards
How we rebuilt a HubSpot site as code in git, deployed it over the API, and learned where the generative AI workflow helped and broke.
Read more →
Email Delivery vs. Inbox Placement: Why HubSpot's Delivery Rate Lies to You
Email inbox placement is what actually drives engagement, but HubSpot only reports delivery. Here's the difference, and how to measure what really matters.
Read more →
SPF, DKIM, and DMARC for HubSpot Sender Reputation
How SPF, DKIM, and DMARC protect HubSpot sender reputation, where each protocol falls short, and which DNS mistakes hurt inbox placement.
Read more →