Using a Brand Subdomain for Email Marketing

Anastasia Romantsova

At Mapp Digital we aspire to ensure that all of our customers are trustworthy and responsible senders. We do this by providing guidance on deliverability best practices for inbox placement, providing real-time feedback on your sends and by enforcing policies that protect our sending reputation and the reputation of our customers.

As part of being a trustworthy and responsible sender, all customers must complete the domain validation process.

First, we need to make sure you own the domain you want to set up. Adding a DNS record is the recommended way to show that you own your domain.

Once ownership of your domain has been verified, the domain enters our compliance process. If your domain is blocked – it’s generally because your domain has been previously blocked for sending abusive traffic through our service or another provider, or because one or more of the requirements below are not met:

Domain Requirements

Website Requirements Your domain must have a live and working website at “http://” or “http://www.“. Please note that the canonical domain is the main domain name including TLD but without any subdomain elements. For instance, a sending domain of has the canonical domain

That website must follow these guidelines:

Why is it so important to publish a website? The most essential factor in gaining more business online is having a website. Today’s consumers demand more information and will search online until they find what they’re looking for. So, make sure you have a “place” to drive your prospects to. Without a website and associated landing pages, it’ll be hard to truly be effective with your marketing.

Creating a website subdomain can also impact your search engine optimization (SEO) results. Search engines recognize brand subdomains as unique Web addresses unrelated to their parent domain name – this allows subdomains to appear alongside your website on a search engine results page, which may accomplish two goals: