CERTIS Technology Stack

GFI Archiver is an email archiving solution designed for IT security professionals and network administrators. It enables users to manage and access electronic communications history, index messages and files automatically, retrieve the email history and old file versions of the employees, validate and store a single copy of a multi-recipient email and attachments with single-instance storage (SIS), accelerate server performance and optimize connection on unreliable PST files

Microsoft Exchange Online is a hosted email for business.

Outlook is a product that provides its users with an email service, calendar, and the ability to save and synchronize contacts.