Convert mail/mime to zip file
Copy mime2zip to a folder in your PATH
In GMail, select 'Show original' from the menu, then click 'Download original' for the input file.
usage: mime2zip [-h] [--toc] [--hdr] [infile] [outfile]
Convert mail/mime to zip
positional arguments:
infile Mail file (default stdin)
outfile Zip file (default stdout)
optional arguments:
-h, --help show this help message and exit
--toc Write a table of contents to the zip file
--hdr Write a list of the mail headers to the zip file