On 2019-09-23, Lars Ingebrigtsen wrote:

> Jens Lechtenboerger <lechten@wi.uni-muenster.de> writes:
>
>> I use mml-smime-use to prefer EPG over OpenSSL.  However,
>> mm-view-pkcs7-verify ignores that variable and calls
>> smime-verify-region (which uses OpenSSL).
>>
>> For signed e-mails with
>> Content-Type: application/pkcs7-mime; name="smime.p7m";
>>    smime-type=signed-data
>> this results in the error message: "No CA configured"
>> (And the e-mail is displayed in base64 encoded form; the text is not
>> shown.)
>
> Could you send such a message to enable us to debug this?

Attached you find the message from section 4.9 of RFC4134, with the
CA certificate.  Verify with:

openssl smime -verify -CAfile carldssself.pem -in rfc4134-4.9.mail -signer signer.pem -out signedtext.txt

Best wishes
Jens