A basic flask based Outlook Web Honey pot

Apache License 2.0

owa-honeypot

SOGo is a very fast and scalable modern collaboration suite (groupware). It offers calendaring, address book management, and a full-featured Webmail client along with resource sharing and permission handling. It also makes use of documented standards (IMAP, CalDAV, CardDAV, etc.) and thereby provides native connectivity (without plugins) to many clients such as Microsoft Outlook, Apple iCal, the iPhone, Mozilla Lightning, and a plethora of mobile devices.

GNU General Public License v2.0

sogo

MIT License

react-big-calendar

Outlook add-in companion to report suspicious mail easily

GNU General Public License v3.0

NotifySecurity

A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.

Cerberus

:calendar: A GitHub action to create Outlook calendar event using Microsoft Graph

ms-graph-create-event