The key here is to use the "uuencode" command but note that we specify the file name twice (this must be done at least on Centos or it won\\\'t work).
uuencode file.zip file.zip | mail email@yourdomain.com
Note that some e-mail clients won\\\'t receive the attachment properly sicne the correct MIME types/headers aren\\\'t being added (many clients will be OK but some won\\\'t.
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