The Software Solution for Legally Secure E-mail Archiving

With REDDOXX MailDepot users just have to click on the mouse twice to access any e-mail. The powerful, full text indexed system searches your e-mail archive in seconds along with all text oriented attachments (e.g. Word or PDF).

The time consuming sorting and organizing of the e-mails in the mailbox is now redundant. All e-mails are stored automatically and permanently in an archive that is autonomous from the mail servicer. The MailDepot is obviously in compliance with all statutory requirements, which have been in effect and binding for many years.

E-Mail Archivierung

All functions at a glance

  • GDPR & GoBD compliant: Legally secure and revision proof archiving of all e-mails
  • Maximum ease of use
  • Long-term, sustainable archiving
  • Definitive allocation and identification of e-mails that have to be retained as a matter of law
  • Connection to existing document management systems possible
  • Immediately and sustainable relieves your IT infrastructure
  • User friendly operation thanks to integration into Microsoft® Outlook / web browser access and smartphone (iOS / Android)
  • Retroactive archiving of existing archives possible
  • External storage of archived data possible
  • Compliance- & statute compliant solution
  • Double check (four-eye principle) audits possible
  • Compliance product

Access privileges

  • Automatic replication from the active directory (MS Exchange 2003/2007/2010/2013/2016)
  • User has the option to award stand-in privileges
  • Rule based assignment of stand-in rights with group functions (e.g. to give the entire department access)
  • Automatic generation of special archives with group or user specific access privileges
  • Audit function based on the double-checking (four-eye) principle

Compliance functions

  • Auditor access with access log that can be analyzed
  • Four-eye principle auditor access safeguards
  • Content-dependent audit for audit-oriented access
  • Offline audit (without the appliance), suitable for third party audits
  • Revision proof logging (compliance log)
  • Data privacy compliant handling of sensible data can be set up (compliance framework)
  • Manipulation proof archiving periods can be set up
  • Binding documentation of receipt and send times
  • Revision proof and encrypted archiving
  • Rule based archive exemptions (sender, recipients, subject, size)

Search functions

  • Full text search in e-mails and all annex copy
  • Combined search
  • Quick selection of search fields and field combinations
  • Depiction of content is identical with the original (HTML/RTF/Text)
  • Direct further processing in MS Outlook® (add-in required)
  • Stand-in functions
  • Search result with depiction of the e-mail progression
  • Identification of inbound and outbound e-mails in the search result
  • Depiction of content is identical with the original (HTML/RTF/Text)
  • Multiple operations in the search result via context menu, e.g. delivery, forward/open
  • E-mail history with binding time stamps

Data lifecycle management funktions

  • Hierarchical archive storage management
  • Separate archiving of large e-mails in alternative storage systems
  • Sealing of archive containers (read only)
  • Content dependent relocation & copying of archived e-mails
  • Content dependent handover of archived e-mails incl meta data to DMS/CRM, etc.
  • Continuous back-up (data mirroring)

Archive storage

  • Self-supporting archive, search index and access rights are located in the archive container
  • No size limits
  • Full text index of the all e-mail content plus all annexes with text content deduplication / single instancing; each e-mail is stored only once per archive
  • Real time compression during storage (ZIP algorithm)
  • Encrypted data storage
  • Additional signing when e-mail is saved (revision proof)
  • Addition encryption (AES) possible with an individual password
  • Offline use of archives search, read and export possible without the appliance
  • Archiving of all meta data and time stamps
  • Random choice of chunk sizes (maximum size of data files for splitting to start)
  • Multiple archives
  • Hierarchical storage management
  • Individual retention times can be set up for each archive

Retroactive archiving

  • MS Outlook® 2003 and newer (add-in required)
  • MS-Exchange ® 2003 to2016
  • Lotus Notes (V 8.5 or higher)
  • Office 365
  • IMAP / POP3
  • MS Outlook Archive (PST-Dateien)
  • Novell GroupWise Version 8.4 and newer
  • Tobit David V 8.0 or higher


  • Integrated virus protection for all inbound and outbound e-mails
  • Virus filtering of Office documents with macros is possible
  • Encryption of outbound e-mails via password

High availability features

  • Hot-standby cluster (optional module)
  • SNMP monitoring
  • Health control
  • Alert-Notification
  • Self healing (Watchdog)
  • Automatic monitoring of storage availability and speed
  • Autom. interim storage of archive data in the event of storage loss

User interface

  • Outlook integration (add-In)
  • Web interface
  • Windows program
  • iPhone / iPad App
  • Android Phone / Tablet App

User management & directory services

  • Local database
  • Active directory
  • Open LDAP
  • Lotus Notes
  • Novell NetWare (E-Directory)
  • Automatic synchronization of
    e-mail accounts from directory services

Supported mail servers

  • MS-Exchange ® 2003 through 2016
  • Lotus Notes (V 8.5 or higher)
  • OX – Open Xchange
  • Postfix
  • Office 365
  • Hosted Exchange ®
  • Tobit David V 8.0 or higher
  • Kerio
  • Kolab
  • Novell GroupWise 8.4 and newer
  • Support many other mail servers


  • iSCSI native
  • NFS / CIFS
  • Logical V-Disk (only virtual appliance)
  • Multiple storage
  • Hierarchical storage management

All of the above-mentioned brands are the property of the respective owners; no liability for changes or errors assumed.

Reap the benefits of REDDOXX cloud services

These days, many companies and organizations rely on cloud computing. The use of solutions as cloud services offers numerous advantages: It relieves the organization’s own infrastructure, offers maximum flexibility and transparent cost models. Together with strong partners, REDDOXX offers a package of optimum solutions that will enable you to use the functions of legally secure e-mail archiving and/or anti-spam in the form of cloud services.

Proven REDDOXX Technology

REDDOXX cloud services are based on mature products that have proven practical track records – MailDepot (archiving) and Spamfinder (anti-spam). Customers have the advantage of being able to use the respective service productively right away without having to modify their IT environment. Fees are billed transparently and fairly on the basis of a monthly per user fee. This means: Complete cost control and no initial investment!

All updates, upgrades or software services are handled centrally by REDDOXX. Consequently, the solutions will always be up-to-date. REDDOXX cloud-based solutions are an attractive alternative to the use of conventional hardware dependent or virtual appliance options and can be set up very quickly.

The Benefits of REDDOXX Cloud Services

  • Use of the familiar REDDOXX technology, which has a proven track record from thousands of actual installations, as a service
  • User-based billing
  • Significant IT infrastructure relief
  • Available for instant productive use
  • Revision proof e-mail archiving with powerful full text research
  • Legal mandate oriented solution
  • Fully automated backup of inbound and outbound e-mails
  • Powerful spam protection thanks to the patented CISS process (sender verification)

Additional cloud-based solutions are already on the horizon! Are you interested in the REDDOXX cloud solutions? We will be happy to consult you personally on the use of our solutions whenever it is convenient for you!

Contact us ›

The new European GDPR (‘General Data Protection Regulation‘) is now in effect

What this means for you and why the GDPR is also relevant for your enterprise, the certified data protection officer, Jürgen Dagutat, explains in a short paper on the subject matter (currently only available in German).

Stay autonomous from the e-mail server type used

This solution works independently from the type of e-mail server used. It also supports any type of storage and is therefore very easy to integrate into any existing infrastructure. Thanks for full text indexing, any archived e-mail can be promptly found later and recovered with just a click on the mouse.

One of REDDOXX’s unique hallmarks is its secure and user-friendly e-mail archiving solution: The REDDOXX MailDepot. The first priority is a long-term archiving solution that is sustainable thanks to its certification and the utilization of common market standards. Your investment is secure.

Alexander Bauer


To this day legally secure archiving of e-mail communications is still an unresolved challenge in many companies

Discover REDDOXX

With REDDOXX MailDepot you will have at your disposal proven solution for your e-mail archiving and management needs that does not only provide legal certainty, but also offers numerous other added valuable features. Your e-mail infrastructure will enjoy massive relief and all of your e-mail handling tasks will be significantly simplified. Once implemented, REDDOXX MailDepot archives all inbound and outbound e-mails fully automatically.

← Click on the video to find out more

Allocate e-mails that have to be retained as a matter of law

One of the unique features of the  REDDOXX solution for e-mail archiving and management is that it clearly allocates and identifies e-mails that have to be retained as a matter of law. It can also be connected to existing DMS (document management systems) and allows the retroactive archiving of existing mailboxes.


Other benefits

is also important for the observance of compliance and data retention policies that auditing by way of the double-checking (four-eye) principle is possible.

Other key benefits and highlights are the user-friendly operation thanks to the integration into Microsoft® Outlook, as well as the optional access via web browser or smartphone APPs (iOS / Android). The multiple storage support tool is key for system administrators and staff in charge of the IT infrastructure. The same is true for the option of saving archived data in external storage solutions.


Three-in-one simplicity – the REDDOXX Suite

Archiving, anti-spam and encryption working together in a single solution

Boasting thousands of successful implementations, this is the tried & tested complete solution for businesses that want it all.
For 5 ‑ 50,000 e-mail accounts – if you want an absolutely secure solution!

  • Optimized backup and recovery
  • Retroactive e-mail archiving
  • Improved e-mail management and more centralized corporate knowledge


Pricing examples

available for any company size and number of users

Boasting thousands of successful implementations, this is the complete solution for businesses that want it all.
For 5 ‑ 50,000 e-mail accounts – if you want an absolutely secure solution!

Flexibly combine your desired solutions such as MailDepot and Spamfinder and only buy what you really need.


Number of UsersE-Mail Archiving
(incl. 12 months subscription)
E-Mail Archiving
(incl. 36 months subscription)
E-Mail Archiving and Anti-Spam
(incl. 36 months subscription)
Annual renewal of subscription after expiration
(12 months)
10starts from 1.330,00€ *starts from 1.770,00€ *starts from 1.870,00€ *340,00€
50starts from 1.930,00€ *starts from 2.370,00€ *starts from 2.570,00€ *340,00€
100starts from 3.590,00€ *starts from 4.580,00€ *starts from 5.580,00€ *700,00€
100015.940,00€ *19.380,00€ *20.280,00€ *2.450,00€
500036.960,00€ *49.690,00€ *53.430,00€ *5.900,00€
*one-time fee

Note: These prices are just examples.

Compile your personal quotation customized for the size of your company now on the
My REDDOXX customer portal or simply call our sales team for a consultation.