Hi All This isn't strictly about Exim, but there are so many knowledgeable people on this list that I'm sure someone can point me in the correct direction. My apologies is this is to far off topic.
I want remote applications to pass information between themselves. The data will be in XML format (no-brainer these days). For various reasons the communications link between the two system can not be guaranteed, so rather than use some direct link protocol I want to send the data via email. It may be that some human intermediary will be part of the communications chain too. So the system has to cope with data being forwarded and the like. For security reasons I only want to process the email if it was signed by a known GnuPG key. I don't want to trust the From header as these are easy to forge. I plan to set up a pipe delivery from exim to a script I'll write. The script will need to extract the various mime parts for later processing. munpack(1) does a nice job of extracting the various mime parts for me, but I am having a problem validating the email's signature. At the moment I'm testing this all out by hand using Evolution as my MUA, but I want the system to cope whatever MUA is used (Evolution, Outlook, JavaMail, mutt, pine, you name it). What I'm lacking is a nice guide on how to check signed emails. There must be a standard, something I'm missing because mutt, Evolution, Outlook, ... can all interoperate. Can some one please put me out of my misery and point me at the appropriate documentation. Thanks Steve -- Steve Dobson I am not an Economist. I am an honest man! -- Paul McCracken
signature.asc
Description: This is a digitally signed message part
-- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
