Lumina / Overview
Platform Overview
Real-time system state — lumina.sys.cloudrails.in
Mailboxes
Provisioned accounts
Emails Sent
Via Azure ACS
Inbound
Received via ESMTP
Templates
HTML templates
Services
ServicePortStatusDescription
lumina-engine8094RunningGo backend — API, SMTP, workers
lumina-admin3014RunningSystem administrator console
lumina-webmail3015RunningClient webmail portal
esmtp-receiver2525ListeningInbound mail from Gmail, Outlook
azure-acsHTTPSConnectedOutbound relay via HMAC-SHA256
Recent Mailboxes
AddressRoleRecovery EmailStatus
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Mailbox Directory
All provisioned mailboxes — IAM roles, API keys, recovery emails
Mailbox Address IAM Role Recovery Email API Key Quota Status Actions
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IAM & Access Control
Assign roles and manage permissions for every mailbox
Owner
Full Access
Read, write, send, receive, reset credentials, manage IAM. Full platform control.
Admin
Elevated
Read, write, send. Can manage mailboxes and templates. Cannot modify IAM.
SMTP-Automator
API Only
API key access for automated mailing pipelines. No UI access. Send-only.
Read-Only
Restricted
Inbox read access only. Cannot send, manage, or access API. Viewer role.
Update IAM Assignment
Compose & Send
Dispatch transactional or bulk emails via Azure Communication Services
New Message
Recent Sent
No recent messages
Delivery Route
Azure ACS REST API
HMAC-SHA256 Authentication
DoNotReply@cloudrails.in
DKIM + SPF Verified
Email Templates
Create and manage reusable HTML email templates
Template IDNameSubjectVariablesUpdatedActions
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SMTP & API Integration
Connection credentials and developer documentation
ESMTP Relay
Host
Port
Auth Mailbox + API Key
Azure ACS Credentials
Endpoint
Sender
Auth HMAC-SHA256
HTTP API Reference
POST/api/v1/send
Send a transactional email via Azure ACS

{ "to": "customer@gmail.com", "from": "DoNotReply@cloudrails.in",
  "subject": "Hello", "body": "<p>HTML content</p>" }
GET/api/v1/mailboxes
List all provisioned mailboxes with IAM roles and API keys
POST/api/v1/mailboxes
Provision a new mailbox with recovery email and IAM role assignment
POST/api/v1/mailboxes/reset
Dispatch a password reset passkey to the attached personal recovery email
POST/api/v1/mailboxes/iam
Update IAM role and recovery email for an existing mailbox
GET/api/v1/templates
Retrieve all HTML email templates with variables
System Health
Infrastructure status — vm-cloudrails-prod-eastus-001 (20.42.59.153)
Backend API
Endpointhttp://localhost:8094
Processlumina_server
Response
ESMTP Receiver
Active :2525
ProtocolESMTP / RFC 5321
CommandsHELO, MAIL FROM, RCPT TO, DATA
Inbound Domain@cloudrails.in
DNS & Domain
Verified
Domaincloudrails.in
SPFVerified
DKIMVerified
DKIM2Verified
Infrastructure
VMStandard_B4ls_v2 — East US
Public IP20.42.59.153
TLSLet's Encrypt (auto-renew)
Reverse ProxyCaddy v2
Provision Mailbox
Receives reset codes and security alerts
Owner
Full platform control
Admin
Manage mailboxes
SMTP-Automator
API & automation
Read-Only
Inbox reader
New Email Template
Use {{.Variable}} syntax for dynamic values