30 Day New Domain Warmup Guide

A checklist to safely warm up a brand new domain to use for email outreach

Russell Taylor
March 6, 2024


In the digital age, cold outreach remains a powerful strategy for building connections and promoting services or products. However, the success of your cold outreach efforts largely hinges on the reputation of your domain. A well-warmed domain can significantly increase your email deliverability and response rates. In this guide, we'll walk you through the step-by-step process of warming up a brand-new domain, specifically tailored for low volume, high-quality outreach campaigns.

Week 1

The earlier you can purchase your domain the better. Domain Age plays a huge part in deliverability so do at is as soon as you think about it.

Purchasing Your Domain

Start by selecting a domain for your outreach efforts. Platforms like Namecheap offer a wide range of options. We recommend choosing a .com, .net, or .co extension for a professional appearance.

Avoid Sending Emails

Jumping straight into email campaigns can alert service providers like Google and Microsoft to potential spam, harming your domain's reputation. Avoid sending emails for the first week after you purchase your domain.

Configure DNS

Proper setup with Google Workspace or Microsoft is crucial. Ensure that SPF, DKIM, and DMARC records are correctly configured to authenticate your emails.

Week 2

Create 3 Inboxes

Create 3 inboxes inside of your admin panel. We'll eventually warm up all 3 of these, but only use 2 of them for outreach.

Barracuda Category Check

Check to see what category Barracuda has you as:

You want something like "business" or "computing-technology". If you see something like "shopping" you will have a harder time getting into inboxes.

GlockApps Report

Only pay attention to the results form Gmail, Office 365, and Business Email inboxes. No need to pay attention to Outlook results as we are not going to be sending here usually for B2B Outreach. You should be seeing 100% inboxing at this point.

Manual Sending

Engage in low-volume, high-quality email exchanges. A clever tactic involves reaching out to sales teams under the guise of a potential customer, stimulating genuine conversation. Another option is to email people in your personal network.

Week 3

Check Reputation

If your your GlockApps and Barracuda check to do not show any red flags you are safe to begin joining a warm up networks.

Join a Warm-up Network

There are a ton of these warm up networks out there right now. I'd suggest looking at Gradually increase your sending volume from 5 to 25 emails per day,

Week 4

With a positive report from GlockApps, you're ready to initiate your cold outreach. Start with 5 emails per day, incrementally increasing to a maximum of 35 per day, ensuring not to exceed 60 emails per inbox.

Start Outreach

Gradually start incorporating your own outreach into the sending queue. Starting with 5/emails/day and then ramp u

Maintaining Your Domain's Health

Warm-up and Outreach Limits

To maintain your domain's health and reputation:

  • Limit warm-up activities to 35 emails per inbox per day.
  • Keep outreach activities to a maximum of 40 emails per inbox per day.


Warming up a new domain is a critical yet often overlooked aspect of successful cold outreach. By following this guide, you'll ensure your domain builds a solid reputation, leading to better email deliverability and more effective outreach campaigns. Remember, patience and quality are key to warming up your domain the right way.