
Option 1: Register a Custom Domain (Recommended)
Option 2: Single Sender Verification






Step 1: Log in to your Per Diem Merchant Dashboard
Step 2: Go to Settings from the left sidebar
Step 3: Click Integrations
Step 4: Locate SendGrid and click Configure
Once you open the configuration screen, you will see two ways to connect to SendGrid.
Use this method if you want emails to be sent from your own domain, such as:
orders@yourstore.com
Select the Register a Custom Domain option and continue.
You will be asked to provide:
Important: The From email must match your domain or subdomain.
Examples:
Save the details to proceed.
The dashboard will generate three CNAME records required for domain authentication.
You will need to add these records in your domain provider’s DNS settings (such as GoDaddy, Cloudflare, Namecheap, AWS, etc.).
Once the records are added:
DNS updates may take 15–30 minutes to complete.
After validation:
Once the test email is successful, your domain will be fully connected, and customer emails will start sending from your custom email address.
If you already use SendGrid or prefer not to configure DNS records, you can verify a single email address instead.
Example: you@company.com
Choose the Single Sender Verification option.
Provide the required sender details:
Save the information to continue.
SendGrid will send a verification email to the sender address you entered.
Once verified, the sender will be active.
Once SendGrid is connected:
From the same page, you can also:
Submit updates to your business details for review by Per Diem’s moderation team before they go live.


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