Features

Feature Status 3.0 2.3.x Since First released
SMTP Stable yes yes 1.0 0.95
POP3 Experimental yes yes 1.1 1.0
IMAP Supported yes no 3.0 3.0
JMAP Experimental yes no 3.0 3.0
LMTP Experimental yes no
ManageSieve Experimental yes no 3.0.0 3.0.0
NNTP Experimental no yes 1.2 1.2
TLS POP3/SMTP Experimental yes yes 1.2 1.2
Mailing List Experimental no yes
FetchMail Stable yes yes 2.2 2.2
Mailet Container Stable yes yes 2.3 0.95
Remote Manager Stable yes yes 1.0 1.0
Management via JMX Experimental yes yes
TLS Remote Manager Stable yes yes 1.2 1.2
JPA Mailbox Stable yes no
Cassandra Mailbox Experimental yes no 3.0.0 3.0.0
Lucene search Stable yes no
ElasticSearch search Stable yes no 3.0.0 3.0.0
Simple search Stable yes no 3.0.0 3.0.0
File Mail Store Stable yes yes 1.2 1.0
JDBC Database Mail Store Experimental yes yes 1.2 1.2
JPA Database Mail Store Experimental yes no
JCR (Jackrabbit) Database Mail Store deprecated yes no
Alternate Mail stores Experimental yes yes
JDBC Users Stable yes yes 1.2.1 1.2.1
JPA Users Stable yes no 1.2.1 1.2.1
Cassandra Users Experimental yes no 3.0.0 3.0.0
JCR Users Stable yes no 1.2.1 1.2.1
LDAP Users Experimental yes yes 1.2 1.2
Alternate User Stores Experimental yes yes
ActiveMQ Queue Stable yes no
File Queue Experimental yes no
Integration with SpamAssassin Stable yes partial
SIEVE scripts Experimental yes no 3.0.0 3.0.0
Deployment in WEB container Experimental yes no
Monitoring via JMX Experimental yes yes
IP V6 Experimental partial no
Java 1.6 Requirement yes no