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Select Manage next to your domain, then click on Advanced DNS from the menu.

1. Set the MX record

Find the Mail Settings section.

Make sure Mail Settings are set to Custom MX.

Delete any existing MX records and then add the following records:

You may need to click Save all changes before you can add a second MX record.

@

mx1.mailcast.io.

10

@

mx2.mailcast.io.

20

2. Set the SPF record

Find the Host Records section.

Look for a TXT record with @ as the Host and Value that begins with v=spf1.

Update an existing SPF record

Click on the value and update it by adding include:spf.mailcast.io after the v=spf1 and before the rest of the record, separated with a space on either side.

Add a new SPF record

Click Add New Record and fill in the following values:

@

"v=spf1 include:spf.mailcast.io ~all"

3. Set the DKIM record

This is only necessary if you have enabled sending on your domain.

Find the Host Records section.

Click Add New Record and fill in the following values:

mailcast._domainkey

dkim.mailcast.io

4. Set the DMARC record

This is only necessary if you have enabled sending on your domain.

Find the Host Records section.

Look for a TXT record with _dmarc as the Host.

If you already have a DMARC record, then there is no need to update it.

This is a minimal DMARC record that will suggest that unauthorised emails sent from your domain are marked as spam. Learn more about DMARC to help you decide how to configure your DMARC policy.

Click Add New Record and fill in the following values:

_dmarc

"v=DMARC1; p=quarantine;"

5. Validate your DNS updates

Click on the DNS tab for your domain from within Mailcast Domains and click Validate to check if your DNS updates are correct.