What are some alternatives?
When comparing Backupgoo and Gmvault, you can also consider the following products
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Tumblr Backup - The Tumblr Backup app is ready for beta testing! Download (Mac OS X, requires 10.5 or higher) Unlike other publishing sites’ approach to backups, our goal was to create a useful copy of your blog’s...
Piler - Piler is an open source email archiving solution with all the necessary features for your enterprise
SysTools Office 365 Backup - Instantly backup your Office 365 Mailbox to PST / EML format with SysTools Office 365 Backup & Restore software for MAC and Win.
Mail Backup X - Your one stop mail backup and archiving tool for Mac.
CloudAlly - CloudAlly is a cloud-to-cloud back-up utility. Popular with growing businesses, this tool automates backups of Box, G Suite, Office 365, OneDrive for Business, SharePoint Online, Salesforce Cloud and other cloud-based file-directory services.