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Mailvelope for Nextcloud

Adding E2E email encryption to the most popular on-prem collaboration platform.

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Nextcloud and Mailvelope

Mailvelope x Nextcloud — the Perfect Match

Secure your email communication by adding Mailvelope to your Nextcloud installation.Get Started

Our shared values

Open Source
Security & Privacy first
Joy of use
Sovereign IT on your teams

Your benefits

Nextcloud Groupware with powerful email
Mailvelope's advanced encryption features
Full integration for best user experience
No data shared outside your organization — even Nextcloud can not read your emails!

Discover Mailvelope for Nextcloud

Some features are not yet fully integrated. They will be made available in the upcoming Nextcloud releases.

Basic Functionality

Encrypt and decrypt mail
Sign emails and verify signatures
Encrypt and decrypt files

Ease of Use

One-click creation of public and private keys
Automatically uploads public key
Automated public key detection of recipient when composing email

Key management

WKD protocol for easy and user-friendly key exchange
Store public keys on Mailvelope Key Server or host it on premise
Use other key servers like keys.openpgp.org
Easy import of existing keys
Support for multiple keyrings

Attachment Handling

Seamless attachment handling in Nextcloud's mail interface
Supports PGP/MIME (encrypt and sign email with attachments in one structure)

Secure inbox

Easily detect phishing attempts (signature mismatch)

Backup and Recovery

Export public and/or private key
Export keyring

Business

Support for organization-wide keys

Security Standards

Neither Nextcloud nor your mail provider can read or decrypt mails (zero trust)
Neither Nextcloud nor your mail provider can access private keys
End-to-End (E2E) encryption, happening directly in the user’s browser
Uses PGP (OpenPGP.js or GnuPG)
Personalized security background to safeguard against attacks
GDPR compliance
Highest security standards (list of audits by BSI and others

How It Works

3 easy steps to enhance your Nextcloud setup with Mailvelope encryption.

①

Check your Nextcloud subscription or installation to make sure the mail app is enabled.
②

Get the Mailvelope browser add-on and follow the setup instructions.
Download
③

Encrypt your first email!