PGP/MIME (Was: One alternative to SMTP for email: Confidant Mail)

Ville Määttä mailing-lists at
Thu Mar 26 18:57:25 CET 2015

On 26.03.15 01:38, Daniele Nicolodi wrote:
> On 25/03/15 23:56, Ville Määttä wrote:
>> > On 26.03.15 00:14, Ingo Klöcker wrote:
>>> >> So it's not mailman that's not smart enough, but the mail clients
>>> >> the other recipients are using. Mail clients showing a
>>> >> "signature.asc" attachment probably do not understand PGP/MIME
>>> >> (which isn't that unusual because only a handful mail clients
>>> >> support PGP/MIME out-of-the-box without additional plugins).
>> > 
>> > It seems to me that emails sent and signed by Thunderbird +
>> > Enigmail are displayed just fine by it. No signature.asc quirks.
>> > But emails sent by others are displaying the attachment in addition
>> > to the normal Enigmail added UI signature information. Ingo, Doug,
>> > Samir and Bob; I see the attached file for each of you but not my
>> > own PGP/MIME mails routed back to me from the list :).
> The difference must be somewhere else: I use Thunderbird 31.5.0 and
> Enigmail 1.8 (20150316-1815) and, while it recognizes the signatures,
> I see the attachment "signature.asc" for all the PGP/MIME signed
> emails I've checked.

I sent a signed message to Daniele off list. Signature recognized fine
and no attachment. So a bug, i.e. the extra attachment, in Enigmail's
reading of mails that have gone through Mailman even though Mailman
produced MIME should be valid?


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