Cybersecurity

IDMG — Intelligent Mail Gateway & SMTP Relay

Standalone Inbound Mail Security, Secure SMTP Relay, Outbound DLP & Antivirus Protection

IDMG (Intelligent Mail Gateway) is an enterprise-grade standalone Mail Gateway and SMTP Relay system. IDMG sits in front of internal mail servers (Exchange, Zimbra, Postfix, IDMBX) to filter inbound spam and viruses, and acts as a hardened outbound relay with automated DKIM signing and Outbound Data Loss Prevention (DLP).

Enterprise License Package
Rp x.000.000 /month
  • Dedicated 24/7 Technical Support
  • Regular Security Updates & Patches
  • 99.99% Availability SLA
Contact Enterprise Sales

Key Features & Architectural Advantages

Engineered to meet enterprise-grade infrastructure standards with high reliability and modern automation.

Dual-Flow SMTP Engine (RFC 5321)

Inbound Gateway (port 25/2525) verifies destination domains and forwards clean mail to internal servers; Outbound Submission & Relay (port 587/465) with trusted IP/CIDR/SASL, auto DKIM signing, and direct MX relay.

Multi-Layer Security & Content Filtering

SPF, DKIM, and DMARC validator, weighted multi-DNSBL spam heuristics (Spamhaus, SpamCop, Barracuda), native ClamAV antivirus (zINSTREAM), deep attachment inspection including nested ZIPs, and adaptive greylisting.

SMTP Firewall & Intrusion Prevention (IPS)

Sliding-window failure detection for AUTH brute-force (535), open-relay probes (550), and port-scans with automatic IP bans, plus persistent CIDR whitelists and blocklists stored in internal storage.

Outbound Data Loss Prevention (DLP)

Pre-flight scanning of subject, body, and attachments for sensitive data (KTP/NIK, NPWP, BPJS, Credit Cards, IBAN/SWIFT, PEM keys, AWS/API tokens, JWT) with algorithmic checksums and pass/mask/quarantine/reject actions.

Mail Tracking Center & Self-Service Quarantine

Instant search by Message-ID, sender, recipient, or subject; comprehensive relay audit trace; and self-managed spam/virus quarantine with safe preview and 1-click release/deletion.

Multi-Tenant SaaS & DKIM Key Manager

Support for multiple organizations (tenants) with 4-tier RBAC, per-domain 2048-bit RSA DKIM key generator, persistent delivery queue with exponential backoff, and real-time live event stream.

Technical Specifications & Compatibility

Technical Parameter Specification & Support
Core Architecture Self-Contained Mail Gateway & SMTP Relay with Web Management Dashboard
SMTP Protocols Inbound (Port 25/2525), Outbound Submission (Port 587/5870, SMTPS 465)
Security & Filtering SPF, DKIM, DMARC, Multi-DNSBL (Spamhaus/SpamCop/Barracuda), ClamAV Antivirus
Intrusion Prevention Real-time SMTP Firewall / IPS with Auto-Ban (Auth brute-force & open relay probe)
DLP Engine Outbound NIK, NPWP, BPJS, Credit Cards, IBAN/SWIFT, PEM Keys, API Tokens, JWT
Delivery & Queue Persistent Delivery Queue with Exponential Backoff & Real-Time Stream
Multi-Tenancy 4-Tier RBAC (Super Admin, Tenant Admin, Helpdesk, End User) with Per-Tenant DKIM

Visual Dashboard & Interface

Click on screenshot thumbnails to view high-resolution preview.

IDMG - Intelligent Mail Gateway & SMTP Relay

Enterprise Use Cases

Inbound Shield for Enterprise Mail Servers (Exchange, Zimbra, Postfix, & IDMBX)
Hardened Outbound SMTP Relay with Automated DKIM Signing & Spam Protection
Sensitive Data Leakage Prevention (Outbound DLP) & Privacy Regulatory Compliance
Multi-Tenant Mail Security Platform for ISPs, Telcos, & Cloud Hosting Providers

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