# Delete all Mailgun SMTP credentials for a domain Delete Mailgun SMTP credentials for a given domain Endpoint: DELETE /v3/domains/{domain_name}/credentials Version: 3.0.0 Security: basicAuth ## Path parameters: - `domain_name` (string, required) Hostname of credentials to be deleted ## Response 200 fields (application/json): - `message` (string, required) Response message - `count` (integer, required) The number of credentials deleted ## Response 400 fields (application/json): - `message` (string, required) Response message