Udemy
    •  
    •  
    •  
    •  
    •  
    •  
    •  
    •  
Turn what you know into an opportunity and reach millions around the world.
Learn More
Your cart is empty.
Keep shopping
Cold Email Deliverability Masterclass for B2B Sales
New
4 students

Cold Email Deliverability Masterclass for B2B Sales

Build cold email infrastructure with ESPs, domains, mailboxes, and Instantly AI to land in the primary inbox
New
Created byAnirudh Gupta
Last updated 6/2026
English

What you'll learn

  • Understand how ESPs and spam filters decide where your cold emails land
  • Set up a full cold email infrastructure with domains, mailboxes, and a sequencer
  • Calculate exactly how many domains and mailboxes you need for your daily volume
  • Buy domains and mailboxes the right way using Spaceship and Zapmail
  • Avoid the country-based IP reputation trap that silently kills deliverability
  • Send thousands of cold emails per day without landing in spam

Course content

2 sections • 5 lectures • 3h 17m total length

  • Email Deliverability Guide52:49

    In this lecture you'll go through the full cold email deliverability guide covering:
    - How email service providers work behind the scenes and how they decide where your emails land
    - Why volume per mailbox has dropped from 50 to 5 or 10 emails per day in just one year
    - The end-to-end deliverability checklist to run before launching any cold email campaign

    By the end you'll understand exactly why your emails land in spam and what to fix.

  • Email Techstack21:43

    In this lecture you'll learn the updated cold email tech stack including:
    - Which tools to use for domains and mailboxes and why (Spaceship and Inboxkit)
    - Why buying mailboxes directly from Google Workspace can destroy your deliverability if you live in the wrong country
    - How to diversify TLDs across .com and .info to lower cost and spread risk

    By the end you'll know exactly what to buy for your sending volume without overspending.

Requirements

  • You're running cold outbound or planning to start soon
  • A computer and internet connection
  • A small budget for domains and mailboxes (cost breakdown covered in the course)

Description

Most people running cold email are stuck in the same loop. They buy domains, set up mailboxes, send a few campaigns, and watch their emails disappear into spam. Reply rates tank, clients churn, and they have no idea what actually went wrong. The frustrating part is that none of the tools they pay for tell them why.


This masterclass walks you through the exact deliverability system used to send over 2.3 million cold emails and generate $1.7 million in sales in 2025. You'll learn how ESPs like Google and Microsoft actually work behind the scenes, how spam filters decide where your emails land, and what changed in 2024 that made cold email deliverability harder than ever. You'll see exactly how to buy and configure domains on Spaceship, set up Google or Microsoft mailboxes through Zapmail, and structure your sending volume across primary and secondary domains the right way.


By the end you'll have a full cold email infrastructure ready to go. You'll know exactly how many domains and mailboxes to buy for your daily volume, you'll have a properly configured sequencer in Instantly AI, and you'll have a complete deliverability checklist to run before launching any campaign. You'll also understand the math behind why most setups get burned in 2 to 9 months and how to avoid the country-based IP reputation trap that silently destroys deliverability for thousands of cold emailers every day.


Whether you're an agency owner running cold outbound for clients, a B2B SaaS founder booking demos, or a freelancer who can't afford to have campaigns die in spam, this course gives you the same infrastructure playbook used to scale cold email to seven figures.


If you're running cold email and tired of guessing why your deliverability is broken, this course gives you the system that actually works. Enroll now and start landing in the primary inbox.

Who this course is for:

  • B2B founders and sales reps doing outbound to book demos
  • Agency owners and freelancers running cold email for themselves or clients
  • Anyone whose cold emails are landing in spam who wants to fix it for good

Report abuse