On Tirs, Juni 16, 2009 03:13, David Gibbs wrote:
> Since Mailman adds it's own headers to the messages it processes, any
> existing signatures in the message are invalidated. Thus, Mailman has to
> remove any existing signatures and let the MTA resign the message after
> it's been processed.
i a
> mouss wrote:
>>> Mailman has specific functionality to remove signature headers so
>>> that the message can be resigned as it's sent out.
>>
>> which doesn't help, because if I get mail claiming to come "From:
>> ", yet it doesn't have a sig of mine, I don't
>> really care if some fancy mailman o
At 05:08 16-06-2009, McDonald, Dan wrote:
Altering message bodies might break gpg|pgp signatures, but not DKIM.
It generally invalidates the DKIM signature.
This mailing list does not use Mailman.
Regards,
-sm
McDonald, Dan wrote:
List servers like mailman resend the message with a different envelope
header.
Wich doesn't invalidate a DKIM, PGP or S/MIME signature.
The MTA receiving this message looks for policy statements about
spamassassin.apache.org, not for policy statements from fantomas.sk.
On Tue, 2009-06-16 at 13:44 +0200, Matus UHLAR - fantomas wrote:
> > On Mon, 15 Jun 2009 09:29:13 +0200
> > Matus UHLAR - fantomas wrote:
> On 15.06.09 12:30, RW wrote:
> > Would you care to elaborate? You comment makes no sense to me.
>
> the more people use DKIM/PGP, the less unsubscribe-signa
> On Mon, 15 Jun 2009 09:29:13 +0200
> Matus UHLAR - fantomas wrote:
>
> > > On Sun, 14 Jun 2009 13:20:21 +0200
> > > mouss wrote:
> > > > I am not as convinced as you:
> > > >
> > > > - this modifies the body, thus breaking signatures. when mail gets
> > > > back to the same domain (sender and
David Gibbs wrote:
Since Mailman adds it's own headers to the messages it processes, any existing
signatures in the message are invalidated.
But... They aren't. Some may be, but not all. As an example, the post
from mouss wich you replied to was verified with DKIM by our MX to be
signedhave
mouss wrote:
>> Mailman has specific functionality to remove signature headers so
>> that the message can be resigned as it's sent out.
>
> which doesn't help, because if I get mail claiming to come "From:
> ", yet it doesn't have a sig of mine, I don't
> really care if some fancy mailman owner h
RW a écrit :
> On Sun, 14 Jun 2009 13:20:21 +0200
> mouss wrote:
>
>
>> I am not as convinced as you:
>>
>> - this modifies the body, thus breaking signatures. when mail gets
>> back to the same domain (sender and final recipient in same domain),
>> this may cause problems. I agree that many lis
David Gibbs a écrit :
> Bill Landry wrote:
>> This may be true if the sender were adding the footer before signing and
>> sending the message to the list. However, not true if it's the mailing
>> list that is adding the footer after the original sender has already
>> signed the message.
>
> As I
On Mon, 15 Jun 2009 09:29:13 +0200
Matus UHLAR - fantomas wrote:
> > On Sun, 14 Jun 2009 13:20:21 +0200
> > mouss wrote:
> > > I am not as convinced as you:
> > >
> > > - this modifies the body, thus breaking signatures. when mail gets
> > > back to the same domain (sender and final recipient i
> > On Jun 14, 2009, at 8:10 PM, Bill Landry wrote:
> >> If that happens then the message is no longer signed by the original
> >> sender, but rather by the mailing list. Probably not a big deal for a
> >> mailing list, but would be in any person-to-person communications.
> Chris Owen wrote:
> >
> On Sun, 14 Jun 2009 13:20:21 +0200
> mouss wrote:
> > I am not as convinced as you:
> >
> > - this modifies the body, thus breaking signatures. when mail gets
> > back to the same domain (sender and final recipient in same domain),
> > this may cause problems. I agree that many lists do break s
Chris Owen wrote:
> On Jun 14, 2009, at 8:10 PM, Bill Landry wrote:
>
>>> Mailman has specific functionality to remove signature headers so
>>> that the message can be resigned as it's sent out.
>
>> If that happens then the message is no longer signed by the original
>> sender, but rather by the
David Gibbs wrote:
> Bill Landry wrote:
>> This may be true if the sender were adding the footer before signing and
>> sending the message to the list. However, not true if it's the mailing
>> list that is adding the footer after the original sender has already
>> signed the message.
>
> As I und
Bill Landry wrote:
> This may be true if the sender were adding the footer before signing and
> sending the message to the list. However, not true if it's the mailing
> list that is adding the footer after the original sender has already
> signed the message.
As I understand it, in order for the
David Gibbs wrote:
> mouss wrote:
>> - mail admin at example.com configures his mail system to sign all
>> outbound mail with DKIM
>> - he rejects any mail with a From: in his domain if it doesn't have a
>> valid DKIM signature
>> - j...@example.com posts to a list that appends a footer (or munges
mouss wrote:
> - mail admin at example.com configures his mail system to sign all
> outbound mail with DKIM
> - he rejects any mail with a From: in his domain if it doesn't have a
> valid DKIM signature
> - j...@example.com posts to a list that appends a footer (or munges the
> Reply-To header, ass
On Sun, 14 Jun 2009 13:20:21 +0200
mouss wrote:
> I am not as convinced as you:
>
> - this modifies the body, thus breaking signatures. when mail gets
> back to the same domain (sender and final recipient in same domain),
> this may cause problems. I agree that many lists do break signatures
>
On 14-Jun-2009, at 10:23, David Gibbs wrote:
mouss wrote:
- this modifies the body, thus breaking signatures. when mail gets
back
to the same domain (sender and final recipient in same domain),
this may
cause problems. I agree that many lists do break signatures so the
receiving site should
David Gibbs a écrit :
> mouss wrote:
>> - this modifies the body, thus breaking signatures. when mail gets back
>> to the same domain (sender and final recipient in same domain), this may
>> cause problems. I agree that many lists do break signatures so the
>> receiving site should cope with this,
mouss wrote:
> - this modifies the body, thus breaking signatures. when mail gets back
> to the same domain (sender and final recipient in same domain), this may
> cause problems. I agree that many lists do break signatures so the
> receiving site should cope with this, but I am not sure they reall
David Gibbs a écrit :
> LuKreme wrote:
>> The unsubscribe link is right there in plain sight. Whether Gmail
>> conceals it from you has nothing to do with it.
>
> Few consumer mail clients (Gmail, Yahoo, Thunderbird, OE, Outlook,
> Lotus/Domino, etc) show the user headers by default. This means
23 matches
Mail list logo