Architecture
Components, email flow, and attack scenarios protected by the email relay.
Components, email flow, and attack scenarios protected by the email relay.
Shared SMTP relay infrastructure with MX domain validation, email logging, and Microsoft 365 Graph API delivery.
GitOps deployment with image automation for the email relay.
Repository structure, mx-validator code, and Kubernetes manifests for the email relay.
OAuth setup, email via Graph API, security hardening, first login, and troubleshooting for the Cal.com scheduling stack.
Azure App Registration, smtp2graph configuration, Prometheus metrics, and troubleshooting.