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This article explains how to set up authentication for your domain name on Namecheap.
What you will need:
A systeme.io account
A domain name on Namecheap
Case 1: Sending emails via systeme.io
Step 1: log in to your systeme.io account
Hover over your profile picture and click on Settings (1). In the settings menu, click Emails (2).
Go to the Domains section, then click the link labeled Click here to authenticate your domain and display its information in your email header, which will help improve your email delivery rates (3).
In the popup that appears, enter your domain name (without the "www") (4).
Example: sio-team.org
Once the domain name is entered, click on Save (5) to generate three CNAME records + one TXT record.
Then, to display the list of DNS records, refresh the page, then click the eye icon.
You will see three CNAMEs and one TXT record that must be entered in order for your domain to be authenticated.
The TXT record is a "DMARC" record. To learn more about how to add a DMARC record, click here.
IMPORTANT:
Authentication of a domain name is mandatory to send emails from systeme.io.
The domain you want to authenticate must have an active website linked to it. If the domain leads to a 404 error page, email providers may block your emails.
Example: The site sio-team.org must be functional; otherwise, when you send emails with the email address of this domain name (example: info@sio-team.org), your contacts may not receive your emails due to server blocking.
You cannot authenticate domains from personal email providers (e.g., Gmail, Yahoo, ProtonMail). Only custom domains can be authenticated.
Step 2: On Namecheap
Start by accessing your Namecheap account.
Next, add the provided CNAME records to your domain's DNS zone.
Note: If you encounter any difficulties, please contact your host's support team for guidance.
Log in to your Namecheap account by clicking here.
Once logged in, select the domain you want to authenticate, then click on Advanced DNS (1) and click Add new record (2).
Select the CNAME option for adding the first three records (3).
Fill out the form fields by copying the CNAME records generated in your systeme.io account (shown below).
In the Host field, paste the value from systeme.io.
Important: Enter only the part before your domain name (e.g., if the value is si942517.sio-team.org, enter only si942517).
In our example, we need to copy "si942517".
In the Value field, paste the value provided by systeme.io and append a period (.) to the end of the value.
In our example, we need to enter " inbound.systeme.io. "
Here is how the records should look in your provider's DNS zone (these values are examples):
Name (host): si942517 (4) Value: inbound.systeme.io. (5)
Name (host): systemeio1._domainkey Value: key1.systeme.io.
Name (host): systemeio2._domainkey Value: key2.systeme.io.
Click on the green validation icon (6).
Note: You must repeat this process for all three CNAME records.
Select the TXT option for adding the DMARC record (7).
Return to the list of records in systeme.io to copy the generated TXT record.
Here is how each line must be added to your host's DNS zone (these values are examples):
Name: _dmarc (8).
Value: v=DMARC1; p=none; rua=mailto:example@gmail.com (9).
Click on the green validation icon (10).
Check that your CNAME records are correctly configured using this site: DNS checker
Note: To check your records, you must enter the full CNAME name (including your domain name) into the search bar.
If you see a green check next to the exact value for your three CNAME records, it means that your domain name has been successfully authenticated. You can also contact our support team here for a verification on their end.
CNAME verification 1:
CNAME verification 2:
CNAME verification 3:
However, if any CNAME records appear in red, check your DNS settings for errors. If you cannot resolve the issue, please contact support and include a screenshot of your DNS records.
Note: In any case, you must contact support here after performing the action.
Check that your DMARC record has been added by searching with your domain name using this site: DMARC checker
IMPORTANT: To send emails using your authenticated domain, you must confirm the sender email address associated with that domain following the steps outlined in the article "How to confirm your email sender address".
Case 2: You are using your own SendGrid account
If you are using your own SendGrid account to send emails and are not using the autoresponder from systeme.io, we recommend contacting SendGrid support for instructions on how to authenticate your Namecheap domain to improve email deliverability.