[horde] Problem with PGP encrypted mail and Outlook 2003

[Jan Schneider]

That shouldn't happen.

Zitat von Bill Day <williamson.day at gmail.com>:

> Jan,
>
> I agree there is nothing wrong with encrypting a message to myself if I
> am trying to send a message to myself.  The problem arose when I was
> trying to send a message to someone else (a different account), but that
> someone else did not have a PGP key in the address book.  Instead of
> saying, "Hey, I don't have a PGP key for the person to whom you are
> sending your email!"  IMP simply encrypted the message as though it were
> being sent to me, and then allowed me to send it to the other person.
> Unsurprisingly, the other person was not able to decrypt it with his
> key, since it had been encrypted to my key.
>
> Hope that's clearer.
>
> Bill
>
> On 09/19/2010 06:02 AM, Jan Schneider wrote:
>> Why? You're sending a message to yourself, and IMP is using your key
>> for that. There's nothing wrong with that.
>>
>> Zitat von Bill Day <williamson.day at gmail.com>:
>>
>>> Well, I found my answer.  Horde does not use the gpg keyring; it
>>> relies upon
>>> keys in Turba, apparently.  I did not have myself listed with my work
>>> key
>>> and email address in the address book.  Horde then used my home key to
>>> encrypt the message as both sender and recipient.  I learned this
>>> because I
>>> forwarded some of the emails that would not decrypt to another
>>> account, and
>>> they started asking me for my password for my home key (the sending
>>> key),
>>> not my work key (the recipient's).  If this behavior is verified, then
>>> perhaps it would be appropriate to modify IMP slightly so that if it
>>> does
>>> not find a recipient's PGP/GPG key it returns an error rather than
>>> trying to
>>> encrypt to the sender's key.
>>>
>>> On Sat, Sep 18, 2010 at 7:47 PM, Bill Day <williamson.day at gmail.com>
>>> wrote:
>>>
>>>> For some strange and inexplicable reason, when I send mail from IMP
>>>> 4.3.7,
>>>> encrypted with PGP, to Outlook 2003 on an Exchange server and PGP
>>>> Desktop
>>>> 10, the message fails to decrypt upon arrival.  The error message is
>>>> "MAPI
>>>> Proxy: Decryption aborted".  A message sent from the same machine
>>>> and the
>>>> same key with Thunderbird does decrypt, so I do not think that the
>>>> problem
>>>> is the key.
>>>>
>>>> I realize that this is the Horde list not the Microsoft List, but I
>>>> wondered if anyone had any insight into something I could tweak on
>>>> the Horde
>>>> side.  Besides, Horde developers in my experience are invariably more
>>>> helpful than Microsoft.
>>>>
>>>> Thanks,
>>>>
>>>> Bill Day
>>>>
>>>> --
>>>> Bill Day
>>>> williamson.day at gmail.com
>>>>
>>>
>>>
>>>
>>> --
>>> Bill Day
>>> williamson.day at gmail.com
>>> --
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>>
>>
>>
>> Jan.
>>
>
>



Jan.

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