20i (ex Stackmail)

How to set up DMARC for 20i in Valimail

Updated over a week ago
SPF(supported)
DKIM(recommended)

This article covers the SPF and DKIM authentication processes for 20i (ex Stackmail) and how they are managed in Valimail. While only one of the two authentication methods is required for an email to pass DMARC, our recommendation is to configure both whenever possible.

Configuring DKIM authentication for your 20i emails

  • Head to Manage Hosting and 'Manage' the package you want to add a DKIM record.

  • Select the DomainKeys icon.

Firstly, we'll explain how to add a simple DKIM record to your DNS.

  • Ensure you’ve selected the domain you want to add the DKIM record-to.

  • Add a Selector. This can be any value or name you like. It’s simply a field to identify the DKIM record. Then select Add Signature.

DKIM signatures
  • If your nameservers are with 20i, we’ll automatically add the correct TXT record for you.

TXT record

The signature will be added immediately to emails sent from the mailboxes under the domain selected. We will have automatically added a DNS record to Manage DNS. You may wish to wait for this to resolve for DKIM to be effective.

From here you’re all done: your emails will use DKIM as a method to authenticate email.

You can also find the instructions on how to set up DKIM and SPF for 20i, here.

Add a 20i DKIM key in Valimail

You can find more detailed information on how to add a DKIM key in Valimail, here:

Configuring SPF authentication for your 20i emails

Once you establish that 20i is an authorized sender for your domain, you will need to add the service in your Enabled Senders.

You will find more detailed information on how to add a service for your domain in Valimail, here:

Note: We encourage you to use the comment section for any useful information about your sending service, such as the name of the service owner, change request ticket numbers, etc.

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