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Email Encryption Retarus Email Encryption

Rely on top-quality service for encryption of your email communication. Retarus Email Encryption enables you to comply with applicable data protection regulations, safeguard valuable know-how and protect confidential information.

Encrypted & Confidential

Unencrypted emails pose a major security risk. They can be covertly read at any time during their transmission—just like a postcard. Retarus Email Encryption protects the confidentiality of your communications. That’s because this encryption system protects both personal data and your valuable company know-how. It also ensures compliance with the applicable data protection guidelines.

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Encryption via S/MIME, PGP and OpenPGP ensures that all requirements of the established standards are fully covered.

You don’t need to install any hardware or software to use Retarus Email Encryption.

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Thanks to a Web portal, you can even exchange encrypted emails with communication partners who do not using their own encryption solution. Our solution offers the seamless exchange of confidential information.

Your Benefits

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Secure

You can rest assured that your confidential information will remain confidential. Retarus Email Encryption encrypts your messages, including all attachments, and processes them in Retarus data centers.
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Transparent

Plan the costs for your users in advance. The transparent monthly calculation is based on the number of keys or licenses currently in use.
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Efficient

Let Retarus Email Encryption take care of central key management and minimize administrative tasks.
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Scalable

Grow with Retarus Email Encryption. You can change the number of defined users at any time.
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Mobile

Send and receive encrypted emails on the go. Retarus Email Encryption is device-independent, which means you can also use it on your mobile devices.
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Compliant

Comply with internal and external regulations at all times. Retarus Email Encryption is fully automated and encrypts messages in accordance with your specifications, sending them securely to recipients. In conjunction with Enterprise Email Archive you’ll also benefit from tamper-proof, audit-compliant archiving.

How Good Is Good Enough for You?

Find out now! See what Retarus Email Encryption can do for you to meet your email encryption requirements. Below is a checklist of the main points.
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Encryption via S/MIME, PGP and OpenPGP
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100% compliance with established standards
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Full support for the X.509 v3 standard, including self-signed certificates
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Complex confidentiality thanks to complete encryption of all messages and attachments
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Senders can be uniquely identified based on the automatic signature of outgoing messages
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100% encrypted communication thanks to the Web portal. This also includes recipients without their own encryption solution.
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Secure, confidential communication “in the final stretch” with a VPN connection to Retarus data centers
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Increased IT department capacity for other tasks; implementation is easy and requires no installation of hardware or software
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Central management of all internal and external keys
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Suitable for use with all SMTP-based email systems (including Microsoft Exchange, HCL Notes Domino)
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Users send emails from their usual email client
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No training costs
Webmailer Login
Webmailer Login
Webmailer Inbox
Webmailer Inbox
Webmailer New Email
Webmailer New E-Mail

Retarus Email Encryption Features at a Glance

InboundOutbound

Outbound emails are transferred from the customer’s email server to Retarus. Emails are identified in Retarus data centers, fully encrypted using customer-specific rules, signed as needed and sent securely to the recipient. This means that the email and all of its file attachments are encrypted.

  • Compatible with any SMTP-based email system (e.g. Microsoft 365, Google Workspace, Microsoft Exchange, HCL Notes Domino)
  • Complete key management by Retarus: create, distribute, and manage all keys
  • Easy adoption of existing PKIs (public key infrastructures)
  • Gateway-based S/MIME and PGP encryption
  • Full support of the X.509 v3 standard including own certificates
  • Full support of the OpenPGP standard
  • Automatic or user-initiated signature of outgoing emails
  • Ability to include internal company encryption policies
  • Centralized and flexible set of rules for emails that need to be signed
  • Filters for viruses and spam despite encryption
  • TLS connection to the Retarus Enterprise Cloud
  • Optional VPN connection for secure and confidential communication over the “last mile”
  • Web email portal or password-protected PDF for encrypted communication with recipients without their own encryption solution
  • Company-wide standardized solution that can be expanded as needed
  • No software and hardware installation required
Email Encryption

Email Encryption

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