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	Experimental	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