The Apache Software Foundation

Apache James Server 3.3.0

March 26, 2019

The Apache James developers are pleased to announce James server 3.3.0 release.

Here are some points we worked on:


  • Metrics for BlobStore
  • New Guice product using Cassandra RabbitMQ ElasticSearch, OpenStack Swift and optional LDAP dependency (experimental)
  • JPA SMTP dockerFile contributed by matzepan
  • Listing healthchecks, thanks to Madhu Bhat
  • Configuring the ElasticSearch clusterName
  • Logging and Metrics now supports Elasticsearch 6 (previously only Elasticsearch 2 was supported)
  • Implementation of the RabbitMQ EventBus
  • DeadLetter APIs and memory implementation for storing events that failed delivery
  • RecipientRewriteTable Aliases and associated WebAdmin routes


  • MAILBOX-350 Potential invalid UID <-> MSN mapping upon IMAP COPY
  • Possibility to better zoom in Grafana boards
  • default ElasticSearch shards & replica configured values
  • Move & copy batch sizes are now loaded from configuration


  • WebAdmin ReIndexing API had been reworked
  • MailboxListener and mailbox event system were reworked. Custom listeners will need to be adapted. Please see Upgrade instuctions.
  • Docker images are now using a JRE instead of a JDK
  • Replacement of the old mailbox event system with the EventBus


  • Drop HBase and JCR components (mailbox and server/data).

Third party softwares

  • Tika prior 1.20 is subject to multiple CVEs. We recommend the upgrade

Early adopters can download it, any issue can be reported on our issue tracker.