Sending signed e-mail via shell script
gollo at fsfe.org
Wed Feb 22 17:13:08 CET 2012
I'm currently trying to do a smal script that sends automated e-mail
messages on a regular basis. I want to sign those e-mails and since mutt
does not allow to use it's OpenPGP features in non-interactive mode, I
try to at least have these messages signed using inline PGP.
For this, I use the following commands on a Debian squeeze machine:
cat $file | gpg --no-verbose --batch --quiet --output - --passphrase "<passphrase>" --armor --textmode --clearsign > $tmpfile
mail -s "<Subject>" $address < $tmpfile
The problem is that I get a "BAD SIGNATURE from …" when verifying the
signature in mutt. I'm not entirely sure, but I think the problem has to
do with the encoding. I'm not very talented in shell scripting, so any
help is highly appreciated. Of course if you know a way to send
automated PGP/MIME signed messages, that would be even better.
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