I am trying to setup emails with my own website. Let\'s say the domain name is abc.com.
abc.com
The nameserver in use is digital ocean and I also have a gmail accou
I got the same error when I copy-pasted the curl example from Mailgun help page.
curl
My domain was set to EU region, and I had to set the api domain to api.eu.mailgun.net instead of api.mailgun.net.
api.eu.mailgun.net
api.mailgun.net
Boom! Working! :)