We have had a couple requests to write a post about readpst which is included in the default path of Backtrack 5 and also located in the Backtrack menu underneath Forensics/Forensics Analysis Tools. The readpst application will read PST files which are also known as Microsoft Outlook Personal Folders and convert them to mbox, MH, or KMail formats. There are various other switches that can be used to output each email into a separate file, include attachments, modify contact formats, be recursive, etc. I will explain basic functionality below along with a couple of the formats and various switches.
I have read in past blogs a bunch of different maximum size attachments that Gmail will allow you to send through their SMTP servers so I wanted to verify directly through Google what the maximum actual attachment size was.
Maximum Gmail Attachment Size: