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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020827 Description of problem: On valhalla-list I've noticed that Evolution creates PGP/MIME signatures (aka "detached signatures") which do not verify as GOOD in other mail user agents such as Mutt or Sylpheed. I've tracked this down to a bug in Sylpheed, but also a bug in Evolution. The bugs in Sylpheed have been fixed in CVS. Several of Evolution's detached signatures now verify fine with Sylpheed. Remains a signed message created with Evolution 1.0.3 which does not verify as GOOD in either Mutt or Sylpheed. Whether a new version of Evolution behaves different, I don't know (bugzilla.ximian.com is time-consuming). In particular, Evolution 1.0.3 applies content transfer encoding "8bit" to content type "text/plain", which is not RFC 3156-compliant IMO. It should use either Base64 or Quoted-Printable (which it converts to when it verifies the signature itself). Version-Release number of selected component (if applicable): 1.0.3-6
Created attachment 76604 [details] example message
Hmmm, probably false alarm. In the message archive the same message is quoted-printable encoded. I'll reopen this bug report when I can be sure that no mail server has invalidated the signature by changing the content transfer encoding of the signed message part to "8bit". Somewhere it got converted to 8-bit, and I have no idea where. The headers don't give a clue either. Other messages with signatures are still QP here.