


Any line beginning with “From ” is counted as a new mail. (Note: The capitalization as well as the trailing space is important.) The “From ” line is the defined message delineator for the mbox format. This is followed by another “From ” line.
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The mail continues on with additional headers, then the mail body. For example, the Inbox from the author's test machine begins with the following: Drilling down into one of these folders you should find a handful of files-those without extensions are the mbox format mail files which contain mail content. In this profile directory there will be a folder named Mail that will have one or more subfolders-Thunderbird creates a separate folder for each mail account configured under a profile. In this directory you will find one or more profile directories, very similar to those discussed in the Firefox analysis section. mozilla/thunderbird directory in each user's home directory. User mail files are generally stored under the user's home directory Mozilla Thunderbird stores its mail files in.
