On 07/21/2014 06:41 PM, [email protected] wrote: > today we got a mail to a mostly idle domain which has not set "remove > certificates" so signed e-mail would pass by. The e-mail in question was > encrypted and was decrypted as it should from my point of view, but the > messaging system where the mail was finally viewed does only display the > smime.p7m. The header was > This is a multipart message in MIME format > > --27817437 > Content-Type: application/x-pkcs7-mime; name="=?iso-8859-1?Q?smime.p7m?=" > Content-Transfer-Encoding: Base64 > Content-Disposition: attachment; filename="=?iso-8859-1?Q?smime.p7m?=" > > which lacks the "smime-type", no? Thunderbird display the mail and > content fine, but does not show any "Signed" signal for the mail at all...
Since the content type is application/x-pkcs7-mime and name is smime.p7m it probably is a S/MIME opaque signed attachment. What is strange is that an smime.p7m is normally never used with a multipart message since this is not a valid S/MIME message. It looks like the message was opaque signed and then the message was changed (disclaimer service?) and then encrypted. Can you send me the message of list so I can investigate the message? Kind regards, Martijn Brinkers -- CipherMail email encryption Open source email encryption gateway with support for S/MIME, OpenPGP and PDF messaging. http://www.ciphermail.com Twitter: http://twitter.com/CipherMail _______________________________________________ Users mailing list [email protected] https://lists.djigzo.com/lists/listinfo/users
