DNSimple + Fastmail Integration

I was trying to setup some Email addresses for a domain I recently purchased and had to hunt around to figure out how the Fastmail integration works with DNSimple (services from which I purchased the domain name).

Here's what I had to do...

1. Log in to dnsimple and navigate to the domain you want to create email addresses for.  (https://dnsimple.com/domains/yourdomain.com)
2. Click the services button on the left nav
3. Click the Add or edit services link
4. Find Fastmail in the list and click Add
• This adds a few records, but not enough
5. Go to Fastmail and login to your account.
6. If you have a premium account, Click Advanced after you click user name in the top left
7. Click Virtual Domains link
8. Under the Domain section, add your domain.  See Fastmail docs about the subdomain and other options.  You can use defaults for now.
9. Create your alias (eg, info@yourdomain.com => you@youremail.com)
• Check the SRS checkbox
10. Go down to the DKIM signing keys and copy the public key
11. Go back to DNSimple and add a TXT record with
• Name = mesmtp._domainkey.yourdomainnamehere.com
• Content = public key copied in step 10

It took a while for everything to propagate so give it an hour or two and see what happens.  This took me about a hour or so to get working so hopefully it helps someone.

On a different note, I will probably cancel the fastmail account in favor of sendgrid.

Hopefully more to come on this!