Robust, high performance internet messaging servers with value added processing (including anti-spam, virus checking, authorization address rewriting and message archiving). Isode's servers feature excellent horizontal scaling and multi-platform GUI management tools.

See below for introductions to the following product areas (together with links to more detailed information):

Internet Messaging Servers


Isode's Internet Messaging Servers

M-Switch SMTP

M-Switch SMTP is a high performance, highly flexible and robust Internet Message Switch with extensive security conversion and management features (more).

M-Switch can be used as part of a mailbox solution (more) and for boundary messaging deployments (more).


M-Box is a high performance Internet Message Store, supporting IMAP (Internet Message Access Protocol) and POP (Post Office Protocol). M-Box uses LDAP (Lightweight Directory Access Protocol) configuration and offers good horizontal scaling (more). All members of the M-Box family are fully compliant with the IETF's Open Standards for Mobile Messaging (LEMONADE).

M-Box Gateway

M-Box POP/IMAP Gateway enables mail clients to access Internet Standard POP (Post Office Protocol) mailboxes using IMAP (Internet Message Access Protocol). M-Box POP/IMAP Gateway is based on M-Box, Isode's IMAP and POP message store (more).


M-Link is Isode's Instant Messaging and Presence server based on the XMPP (eXtensible Messaging and Presence Protocol). M-Link features include SASL authentication (including strong authentication), account configuration and profile information held in the directory and SNMP monitoring. Read more about M-Link here.

Internet Messaging Server Management

Isode provides extensive management capabilities with M-Switch, centred around MConsole which provides GUI access to configuration and operational management. Details are provided on the internet messaging management page.


All Isode servers and management tools are available for evaluation. More information can be found on the internet messaging server suite evaluation index page.