Adding MX records to Enom

These instructions are for users who have bought their domain on Enom and would like to change their mail records (MX) so they can send and receive mail with Fastmail.

This guide covers three steps to setting up your domain:

  1. Add your domain to Fastmail
  2. Edit your MX records in Enom
  3. Signing your domain

Advanced instructions for setting up MX records can be found here.


1. Add your domain to Fastmail

We have a setup guide to help you get your domain working as quickly and easily as possible.

After you have purchased your domain from Enom, log in to Fastmail and go to the Settings → Domains screen.

Add your domain(s) (e.g. Using the Add Domain button brings up the new domain screen. Type your domain into the text box.

If your domain has been purchased from Enom, we will display this on the next screen. You can also choose Enom from our list of supported registrars.

Follow the wizard to add your email addresses to Fastmail. To have the wizard provide you with steps to update your MX records by default, choose Yes when you are asked if you have a website.

Please note: If you are on a legacy plan, the domain setup wizard can only set up email addresses, not users. You will need to add users manually in order to create additional user accounts at your custom domain.

2. Edit your MX records in Enom

Note: We recommend making these changes at a time that you do not expect much mail to be sent to your domain.

  1. Log in to your account at Enom.

  2. In the Domain List on your account, find the domain you want to use with Fastmail, and click Email Settings:

    • Enom DNS email settings
  3. In the Service Selection dropdown, select User (MX):

    • Enom DNS email dropdown
  4. Enter your MX records with the following details:

    • Host Value Priority
      @ 10
  5. Skip the line where the Host Name is * (other), and add a second MX record on the next line with the following details:

    • Host Value Priority
      @ 20

Then click Save. When you are finished, it should look like this:

Fastmail MX records in Enom interface

You should now have two MX records, and

3. Signing your domain

Your domain should now be ready to receive messages. In order to make sure your sent messages reach your recipients, there are a couple more records to add in your Enom account.

  1. In the "Manage Domain" dropdown, select "Host Records":
    • Enom add DNS record screen
  2. Add three new records, all with the type CNAME and the following information (make sure to replace with your actual domain name). Click the New row button if needed to add space for the third record:
Type Host Value
CNAME fm1._domainkey fm1.{}
CNAME fm2._domainkey fm2.{}
CNAME fm3._domainkey fm3.{}

You can leave any other CNAME records you have for your domain where they are.

When you are finished, it should look like this:

Fastmail CNAME record in Enom interface

3. Add one final new record, in the same place you added your CNAME records. In the drop down for the record type, choose "TXT", then enter the following information:

Type Host Name Value
TXT @ v=spf1 ?all

When you are finished, it should look like this:

Fastmail TXT record in Enom interface

Once you have finished this step, your domain should be working with Fastmail.

To check all your settings are correct, log in to your Fastmail account and go to the Settings → Domains screen. Click Recheck DNS. Your domain should now say Active. MX records set.

Enom has further instructions for using their DNS control panel available here.

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