MailArchiva is a popular email archiving and e-discovery service. Its purpose is to ensure that your company email archives remain intact and accessible over the long-term. 

It archives all Google Apps mailboxes and provides a birds-eye view of all historical email data. It enables users to perform e-discovery searches, and export historical records en bulk. 

The product helps companies meet their email archiving regulatory requirements, easily satisfy records requests, and reduce their legal exposure. 

MailArchiva's ultra-fast search engine enables users to accurately and efficiently search through years of email data. Furthermore, its powerful search capabilities enable companies to monitor and audit employee communications.