Isode's M-Vault is a high-performance secure LDAP/X.500 server. M-Vault can be used as a standalone Directory server, to provide a distributed Directory Service or to store configuration information for Isode's Internet Messaging, X.400 Messaging and Instant Messaging products.SecurityM-Vault provides a unique set of security features, including Strong Authentication based on X.509 PKI, Signed Operations, Flexible Prescriptive and Role Based Access Control, Security Policy, Rule Based Access Control based on Security Labels, Audit Logging and Password Policy. Click for more information on M-Vault Security.