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Mailock Enterprise Edition enables businesses to implement Mailock’s unique security features into their existing corporate IT infrastructure.

The Mailock Enterprise ‘Gateway’ requires minimal installation and user interaction and can be simply integrated into existing ‘mail flow’ systems, with encryption policies defined by the sending organisation.

All the benefits of Mailock...

  • Military grade encryption for emails.
  • Identity authentication of email recipient prior to delivery.
  • Delivery audit trail - Digital Recorded Delivery®.
  • Addressing regulatory compliance requirements (e.g. GDPR / MiFid II / ICO / FCA).
  • ‘Revoke’ option - correcting unintended, misaddressed email communications.
  • Positive ESG impact - unparalleled economic and ecological savings - reduced reliance on ‘print and post’.
  • Brand reinforcement and advocacy - addressing customer needs and improving service levels / engagement.
  • Seamless integration with Unipass Identity for Financial Services users

...in a tool that supports business use at scale

Configure Your Security Policy

Determine when security is applied to your email communications.

Customise Your Communication

Define recipient ID verification method and associated security level.

Mitigating Human Error

Secure email transmission with no user reliance / interaction.

Configure Your Security Policy

Determine when security is applied to your email communications.

Customise Your Communication

Define recipient ID verification method and associated security level.

Mitigating Human Error

Secure email transmission with no user reliance / interaction.

Mailock Enterprise Features

Organisational policy driven encryption / decryption

Minimal implementation friction

‘Digital Recorded Delivery®’ - auditable delivery to ID verified recipient

Minimal recipient requirement for usage

How it works

The diagrams below show a suggested mail flow where the criteria of each email meet the encryption/decryption policies defined by the company.

Technical Overview

The Mailock Gateway system comprises:

  • Virtual Appliance for easy deployment; support for VMWare & HyperV (others on request).
  • Administration website providing configuration and system health monitoring.
  • Server-side encryption/decryption respects all other software in the SMTP mail flow such as CRM, Anti-Virus, Server-Side Signature, Data Loss Prevention.
  • Bespoke X-headers used to prevent email looping.
  • Can be deployed ‘on premise’ or into cloud environments (Office 365, Exchange Online Protection compatible).
  • All messages encrypted in transit and at rest within the Gateway.
  • Outbound emails secured via OTP email verification or Unipass.
  • Unique key management system ensures that Beyond Encryption has no access to your content.
  • Scalable and resilient (scale gateway VM core resources and services and / or deploy multiple load balanced VM’s).
  • Penetration tested by third-party Lloyds Register security company: Nettitude (www.nettitude.co.uk).


Recipient support:

  • Secure read and reply website offering a ‘zero download’ option.
  • Client-side Add-In for Microsoft Outlook for Windows (requires subscription).

Mailock Enterprise Edition works with Mailock Automated Edition and Mailock Desktop Edition as part of a single, secure ecosystem