Safe PST Backup VS MailVault

MailBakup - Mailbakup is an all-in-one IT solution that provides an in-demand set of e-mail backup solution to save valuable data from the web-based email account to location derive easily and quickly.

Vaultastic - Vaultastic’s on-demand SaaS platform provides Protection, Visibility & Control for your Critical Business Data with Agile Cloud Archival.

Intradyn Email Archiver - Orca Email Archiver provides email archiving solution for local government and business.

Authority - Authority is a straightforward and affordable email migration solution that allows you to move from your current email platform to new platform without using Authority as you archive.

MailArchiva - MailArchiva is an email archiving, email compliance, and e-Discovery enterprise server.

MHonArc - MHonArc provides HTML mail archiving with index, mail thread linking & other capabilities including support for MIME & user customization.