How to Get a Custom Domain for Sending

Sending campaigns from a custom domain — such as hello@yourbusiness.com — rather than a free email address is one of the most important steps you can take to improve your email deliverability, protect your brand, and maintain full ownership of your sender reputation. This guide explains what a custom domain is, why it matters, and how to get one.

What Is a Custom Domain?

A custom domain is a domain name you own and control, typically your business domain — for example, yourbusiness.com or company.co. When you use a custom domain as your sending address in Mailzzy, your emails come from an address like news@yourbusiness.com rather than a shared Mailzzy-managed domain.

This matters because inbox providers evaluate the reputation of the sending domain when deciding where to place your email. A custom domain builds a reputation that belongs to your business and carries over all your sending activity.

Step 1: Register a Domain

If you do not already have a custom domain, you will need to register one. Domain registration is available through a wide range of domain registrars. Popular options include:

• Namecheap

• GoDaddy

• Google Domains (now Squarespace Domains)

• Cloudflare Registrar

• Name.com

Domain registration typically costs between $10 and $20 per year for common extensions such as .com, .co, or .net. After registering, you will have access to the domain’s DNS management panel, which is where you will add your authentication records.

Step 2: Create a Sending Email Address at Your Domain

Once your domain is registered, create the email address you want to use as your From address in Mailzzy. This might be:

• hello@yourbusiness.com

• news@yourbusiness.com

• team@yourbusiness.com

This address is set up through your email hosting provider, not through Mailzzy. If you are using Google Workspace or Microsoft 365, add the user or alias through your admin console.

Step 3: Add and Authenticate the Domain in Mailzzy

1. Log in to Mailzzy and navigate to Senders, Domains & Dedicated IPs > Domains.
2. Click Add Domain and enter your custom domain name.
3. Mailzzy will generate DNS records specific to your domain.
4. Add these records to your domain’s DNS settings at your registrar.
5. Return to Mailzzy and click Verify. Once all records are detected, your domain will be marked as authenticated.

Step 4: Create a Verified Sender Using Your Custom Domain

1. Navigate to Senders, Domains & Dedicated IPs > Senders.
2. Click Add Sender and enter a From Name and the From Email address at your custom domain.
3. Complete the OTP verification step.
4. Once verified and authenticated, this sender will be available for all your campaigns.

What If I Already Have a Domain?

If your business already has a website domain, you can use that same domain for sending in Mailzzy. Simply proceed to Step 3 to add it to Mailzzy and set up authentication. You do not need to register a new domain.