Adding MX records to GoDaddy

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

Changing your MX records is the best option for users who have a website on their domain hosted with another service. For users who do not have a website hosted at their domain, switching nameservers is usually a better option.

This guide covers three steps to setting up your domain:

  1. Add your domain to Fastmail
  2. Edit your MX records in GoDaddy
  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 GoDaddy, log in to Fastmail and go to the Settings → Domains screen.

Add your domain(s) (e.g. mydomain.com). 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 GoDaddy, we will display this on the next screen. You can also choose GoDaddy 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: The domain setup wizard can only set up aliases on legacy plans. If you are on a legacy plan, you will need to add users manually in order to create additional user accounts at your custom domain.

2. Edit your MX records in GoDaddy

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

  • Log in to your account at GoDaddy.

  • In the Domain List on your account, find the domain you want to use with Fastmail, and click Manage:

the GoDaddy domain management page

  • Scroll down until you see Additional Settings and click Manage DNS:

Advanced Settings

  • In Records, select Add:

DNS Management Panel in GoDaddy

  • For the record type, select MX and list the details as follows:
HostValuePriority
@in1-smtp.messagingengine.com10

Then click Save.

  • Click Add New Record, and add a second MX record with the following details:
HostValuePriority
@in2-smtp.messagingengine.com20

Click Save All Changes. When you are finished, your records should look like this:

Both MX records added

You should now have two MX records, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

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 GoDaddy account.

  • Scroll up to Host Records in your GoDaddy domain panel and click Add New Record. Add three new records, all with the type CNAME and the following information (make sure to replace mydomain.com with your actual domain name):
TypeHostValue
CNAMEfm1._domainkeyfm1.{mydomain.com}.dkim.fmhosted.com
CNAMEfm2._domainkeyfm2.{mydomain.com}.dkim.fmhosted.com
CNAMEfm3._domainkeyfm3.{mydomain.com}.dkim.fmhosted.com

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

When you are finished, it should look like this (with your actual domain name in place of yourdomain.com)

CNAMEs added to GoDaddy

  • 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:
TypeSelectorValue
TXT@v=spf1 include:spf.messagingengine.com ?all

When you are finished, it should look like this:

TXT record added to GoDaddy

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.


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