OMEMO was implemented in the Android Jabber Client Conversations as part of a Google Summer of Code project by Andreas Straub in 2015. The basic idea was to utilize the encryption library used by Signal (formerly TextSecure) for message encryption. So basically OMEMO borrows almost all the cryptographic mechanisms including the Double Ratchet and X3DH from Signals encryption protocol, which is appropriately named Signal Protocol. So to begin with, lets look at it first.
Welcome on the wiki page of the only add-on for Thunderbird and Seamonkey which will add access to you Exchange calendars, contacts and Global Address List [GAL]. It is an add-on for the Lightning. Calendering Add-on and will allow you to communicate with an Exchange 2007, 2010 and 2013 server using the Exchange Web Service [EWS] interface.You can access any Calendar, Task or Contacts folder on the EWS server in an easy way. And also manage your [Out of Office] settings.
MFCMAPI provides access to MAPI stores to facilitate investigation of Exchange and Outlook issues and to provide developers with a sample for MAPI development.