Email sending domains and relay zones.
Base https://api.nodion.com. Short paths need
X-Nodion-Project unless the path already has
/v2/projects/{id}.
Request bodies are in the interactive docs.
/v2/email_domains List email domains in the current project
/v2/email_domains Create an email domain in the current project
/v2/projects/{id}/email_domains List email domains
/v2/projects/{id}/email_domains Create an email domain
/v2/email_domains/{id} Get an email domain
/v2/email_domains/{id} Delete an email domain
/v2/email_domains/{id}/verify Verify an email domain's DNS
/v2/email_domains/{id}/activate Activate an email domain
/v2/email_domains/{id}/verify_return_path Verify an email domain's Return-Path CNAME
/v2/email_zones List email zones in the current project
/v2/email_zones Create an email zone in the current project
/v2/projects/{id}/email_zones List email zones
/v2/projects/{id}/email_zones Create an email zone
/v2/email_zones/{id} Get an email zone
/v2/email_zones/{id} Delete an email zone
/v2/email_zones/{id}/messages List recent messages for an email zone
/v2/email_zones/{id}/messages/{messageId} Get one email zone message including body and SMTP response
/v2/email_zones/{id}/attachments List an email zone's application attachments
/v2/email_zones/{id}/attachments Attach an email zone to an application
/v2/email_zone_attachments/{id} Update an email zone attachment
/v2/email_zone_attachments/{id} Detach an email zone from an application