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Apache James

Apache James (Java Apache Mail Enterprise Server) is a portable and enterprise-ready mail server built entirely in Java. It implements SMTP, IMAP, POP3, and JMAP protocols and provides a modular architecture with a comprehensive administration REST API and Cassandra-backed distributed deployment.

2 APIs 1 Capabilities 8 Features
EmailIMAPJavaJMAPMail ServerOpen SourceSMTP

APIs

Apache James WebAdmin REST API

The James WebAdmin API provides REST endpoints for managing domains, users, mailboxes, mail repositories, mail queues, quotas, drop lists, and async tasks. It is the primary man...

Apache James JMAP API

The JMAP (JSON Meta Application Protocol) implementation in James provides a modern, efficient email protocol for synchronizing messages, mailboxes, contacts, and calendars for ...

Capabilities

Apache James Mail Server Management

Workflow capability for mail server administrators to manage domains, users, mailboxes, and monitor tasks in Apache James.

Run with Naftiko

Features

SMTP Server

Full SMTP server implementation with TLS, DKIM, SPF, and DMARC support.

IMAP Server

IMAP4 server with full RFC compliance for email client access.

JMAP Support

Modern JMAP protocol implementation for efficient email synchronization.

WebAdmin REST API

HTTP REST API for complete server administration without downtime.

Distributed Architecture

Cassandra-backed distributed deployment for high availability.

Modular Design

Pluggable architecture supporting custom protocols, storage, and authentication.

Mail Queuing

Persistent mail queuing with configurable retry strategies.

Quota Management

Per-user, per-domain, and global mailbox and message quota enforcement.

Use Cases

Enterprise Mail Server

Deploy a full-featured enterprise mail server with SMTP, IMAP, and JMAP.

Mail Server Migration

Migrate from other mail servers with full protocol compatibility.

Automated Email Processing

Build automated email pipelines using James mailet and matcher APIs.

High-Availability Mail

Deploy distributed James clusters with Cassandra and RabbitMQ for HA.

Integrations

Apache Cassandra

Distributed mail storage backend for high availability deployments.

Apache Kafka

Event bus integration for distributed James deployments.

RabbitMQ

AMQP message queue for inter-node communication.

Elasticsearch/OpenSearch

Full-text mail search indexing via Elasticsearch integration.

OpenLDAP

LDAP authentication and directory integration for user management.

Semantic Vocabularies

Apache James Webadmin Rest Api Context

9 classes · 19 properties

JSON-LD

API Governance Rules

Apache James API Rules

20 rules · 9 errors 7 warnings 4 info

SPECTRAL

Resources

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GitHubOrganization
GitHubOrganization
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GitHubRepository
GitHubRepository
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Documentation
Documentation
🚀
GettingStarted
GettingStarted
📜
TermsOfService
TermsOfService
📰
Blog
Blog
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Versioning
Versioning
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SpectralRules
SpectralRules
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Vocabulary
Vocabulary
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NaftikoCapability
NaftikoCapability