Email Deliverability in 2026: What a $1.9B Market Means for Outbound Teams
Email deliverability is getting more complex — and more expensive. Here is what the $1.9B market projection means for your cold email infrastructure.
GTM playbooks, not hot takes.
Field notes from building outbound systems for B2B teams — infrastructure, research, and the numbers behind both.
- All
- GTM Engineering
- B2B Sales Tools & Stack
- Cold Email Copywriting
- Outbound Systems
- Email Deliverability
- TAM & ICP Strategy
- Case Studies & Results
SMTP Testing for Cold Email: How to Verify Your Setup Before You Send
Don't send to your full list until you have tested your SMTP setup. A single misconfiguration can burn your domain. Here is how to…
Email Domain Spoofing: How to Protect Your Sending Domains from Being Exploited
Domain spoofing is when attackers send emails that look like they came from you. It destroys your sender reputation. Here is how to lock…
Microsoft’s New Email Sender Requirements: What B2B Cold Email Teams Must Do Now
Microsoft has rolled out new sender requirements for Outlook and Hotmail in 2026. If you send cold email at scale, these changes affect you…
How to Set Up Instantly.ai for Cold Email Outreach: A Complete Guide
Instantly.ai is the most popular cold email platform for B2B outbound — but setup errors kill deliverability before the first send. This guide covers…
What Is Sales Intelligence and How to Use It for B2B Prospecting
Sales intelligence is the data layer that tells you who to target, when to reach out, and what to say. Here is how B2B…
Smartlead vs Instantly: Which Cold Email Sending Tool Wins for Outbound
Smartlead and Instantly are the two dominant cold email sending platforms. They are more similar than different — but the right choice depends on…
Apollo.io vs Clay: Which B2B Prospecting Tool Is Right for Your Stack
Apollo is a prospecting database with built-in sequencing. Clay is an enrichment infrastructure layer. They solve different problems — here is how to choose.
How to Build a Clay + Instantly Outbound Stack from Scratch
Clay builds the list. Instantly sends it. This guide shows exactly how to connect both tools into a complete outbound engine — from domain…
How to Use Clay.com for B2B Prospecting: A Step-by-Step Workflow
Clay.com turns raw data sources into enriched, sequenced lists for B2B prospecting. This guide walks through the exact workflow from ICP to outbound-ready contacts.