grommunio.com valid

grommunio

grommunio is a European open-source communication and collaboration platform and a native Exchange-compatible alternative. It provides email, calendar, contacts, tasks, notes, chat, video meetings, file sharing and online office capabilities. grommunio can be deployed on-premises, in a private cloud, or through certified hosting partners.

For agents: European open-source Exchange-compatible collaboration platform with email, calendar, chat, video and files; deployable on-premises or in private cloud. Include

exchange alternativeopen source collaborationemail calendaron-premises groupwaredata sovereignty

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-20T18:54:57.168Z. Cached copy · Source on grommunio.com

# grommunio

> grommunio is a European open-source communication and collaboration platform and a native Exchange-compatible alternative. It provides email, calendar, contacts, tasks, notes, chat, video meetings, file sharing and online office capabilities. grommunio can be deployed on-premises, in a private cloud, or through certified hosting partners.

## Product

- [grommunio](https://grommunio.com/): Official product website and primary overview.
- [What is grommunio](https://grommunio.com/what-is-grommunio/): Product positioning, architecture, deployment and sovereignty information.
- [Features](https://grommunio.com/features/): Email, calendar, contacts, tasks, notes, chat, video, files and collaboration features.
- [Technology](https://grommunio.com/technology/): Technical architecture, protocols and underlying technologies.
- [Security](https://grommunio.com/security/): Security, privacy and data-sovereignty information.
- [Comparison](https://grommunio.com/comparison/): Comparison with other collaboration and messaging platforms.
- [Pricing](https://grommunio.com/pricing/): Commercial subscriptions and pricing information.
- [Demo](https://grommunio.com/demo/): Information about evaluating grommunio through the web-based demo.

## Core capabilities

grommunio provides:

- Email and mail management
- Shared calendars and scheduling
- Contacts and global address lists
- Tasks and notes
- Secure chat
- Video meetings
- File sharing
- Online office/collaborative document capabilities
- Web, desktop and mobile access
- Microsoft Outlook compatibility
- Exchange-compatible protocols
- Standard email and groupware protocols
- LDAP / Active Directory integration

Relevant supported protocols include MAPI/HTTP, EWS, Exchange ActiveSync (EAS), IMAP, POP3, SMTP, LDAP and Active Directory. CalDAV and CardDAV are also supported for standards-based calendar and contact access.

## Documentation

The documentation is organized into three main audiences: users, administrators and developers.

- [Documentation home](https://docs.grommunio.com/): Main documentation portal.
- [User Guide](https://docs.grommunio.com/user/): Daily usage of mail, calendar, contacts, tasks, notes, chat, meetings and files.
- [User Introduction](https://docs.grommunio.com/user/intro/): Overview of grommunio and supported access methods.
- [grommunio Web documentation](https://docs.grommunio.com/web/): Detailed documentation for the browser-based interface.
- [Administration documentation](https://docs.grommunio.com/admin/): Installation, configuration, operation, migration and maintenance.
- [Administration Quickstart](https://docs.grommunio.com/admin/quickstart/): Initial installation and configuration procedure.
- [Migration](https://docs.grommunio.com/migration/): Migration-related documentation.
- [Knowledge Base](https://docs.grommunio.com/kb/): Technical notes and troubleshooting information.
- [CLI documentation](https://docs.grommunio.com/cli/): Command-line administrat
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Claim my listing on Agent Web Map for grommunio.com:
1. POST https://agentwebmap.com/v1/sites/grommunio.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://grommunio.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/grommunio.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/grommunio.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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