If the Mac mail application has been corrupted then you have to rebuild Mac mail. This application helps you to manage all emails and contacts in your Mac system. You can also write notes, make journals and manage calendar entries and don't forget the main purpose which is sending and receiving email. All these mail items are saved in the database and if it gets corrupted then you need to rebuild Mac mail. The corruption can be caused if the application has been closed abruptly or you have opened any spam mail which contains any virus. There is also an inbuilt tool which can rebuild the Mac mail but some times it fails so in that case the database has to be recreated by reinstalling the software. The new database will not contain any mails or other details but it can be recovered using Mac mail recovery software. The software will scan the Mac drive and then show all the items in the preview. You can select and restore in the new database. The software is very easy to use and quite effective in recovering all types of mail files and attachments so you should download this now.