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Email Operations — Signature Management

E-Kache

Centralized email signature management for Microsoft Exchange

enterprise on_prem

Capabilities

Everything included out-of-the-box.

  • Microsoft Exchange Transport Service integration
  • Dynamic Active Directory user data fetching
  • Policy-based signature assignment (user/group/OU)
  • HTML editor with VCard, QR code, corporate logo support
  • Master-Slave architecture for multi-server deployment
  • Compatible with all email clients (Outlook, OWA, Thunderbird, mobile iOS/Android)
  • Domain-based offline licensing + license expiry notifications

Editions & licensing

Choose the edition that matches your team size, deployment model and compliance posture.

Standard

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Single-server signature management.

  • Microsoft Exchange integration
  • AD-driven dynamic signatures
  • HTML editor
  • Single-server deployment

Enterprise

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Multi-server with master-slave + advanced policies.

  • All Standard features
  • Master-Slave multi-server architecture
  • Policy-based assignment (user/group/OU)
  • VCard + QR code support
  • Mobile email client compatibility
  • License expiry notifications

Technical specifications

Deployment-ready architecture and platform support.

Exchange Support
Exchange Server 2016/2019/2022
AD Parameters
Unlimited (any AD attribute → HTML template)
Email Client Coverage
All clients (mobile + desktop + web)
Architecture
Master-Slave for HA + horizontal scaling
License Model
Domain-based offline licensing

Integrations

Native connectors and standard interfaces for the platforms you already operate.

Microsoft Exchange Server Active Directory Outlook Desktop Outlook Web Access (OWA) Outlook Mobile Thunderbird iOS Mail Android Mail

Use cases

How customers deploy this product in production.

Brand consistency at scale

Thousands of users send emails with identical, professional, brand-compliant signatures — no manual updates.

GDPR/HIPAA disclaimer enforcement

Legal disclaimers, privacy notices, and confidentiality statements automatically appended to all outgoing emails.

Corporate rebrand rollout

Update logo, slogan, or contact info across entire company in minutes — single template change propagates to all users.

Acquisition integration

Integrate acquired companies' email systems with consistent parent-brand signatures during M&A.

System requirements

CPU
4 vCPU minimum, 8 vCPU recommended
RAM
8 GB minimum, 16 GB recommended
Storage
50 GB SSD minimum (excludes log retention)
OS
Windows Server 2019/2022 · Ubuntu 22.04 LTS
Network
1 Gbps internal, 100 Mbps WAN for telemetry

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