MESSAGE
| DATE | 2017-09-28 |
| FROM | ron@vnetworx.net
|
| SUBJECT | Re: [Hangout - NYLXS] DKIM set ups
|
From hangout-bounces-at-nylxs.com Thu Sep 28 09:20:04 2017
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Subject: Re: [Hangout - NYLXS] DKIM set ups
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Errors-To: hangout-bounces-at-nylxs.com
Sender: "Hangout"
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On 09/23/2017 07:49 PM, ruben safir wrote:
> If I understand correctly, someone sending email from an eternal MTA
> with a foreign email address ends up with a signature from the foreign
> MTA=2E What use is that? It is still an open relay=2E
>
This goes back to SPF where they decided to sell something that isn't an=
=20
anti-spam measure as an anti-spam measure, presumably to manipulate=20
everyone into implementing it=2E
DKIM is about authentication, not anti-spam=2E=C2=A0 It's not to stop open=
=20
relays or drug spam or your crazy uncle's conspiracy theories=2E DKIM=20
allows you to ensure the message comes from someone in control of the=20
envelope sender address (iirc) and is genuinely the same as the one the=20
mail server passed to you, not that it isn't trying to sell you magic bean=
s=2E
- Ron
--=20
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E
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On 09/23/2017 07:49 PM, ruben safir wrote:
> If I understand correctly, someone sending email from an eternal MTA<=
br>
> with a foreign email address ends up with a signature from the foreig=
n
> MTA=2E What use is that? It is still an open relay=2E
>
This goes back to SPF where they decided to sell something that isn't =
an
anti-spam measure as an anti-spam measure, presumably to manipulate
everyone into implementing it=2E
DKIM is about authentication, not anti-spam=2E=C2=A0 It's not to stop =
open
relays or drug spam or your crazy uncle's conspiracy theories=2E DKIM =
allows you to ensure the message comes from someone in control of the
envelope sender address (iirc) and is genuinely the same as the one the r>
mail server passed to you, not that it isn't trying to sell you magic =
beans=2E
- Ron
--
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E
------FYLPQM7QZG5MMR6CDS9NHYJ8DVSJAH--
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Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
Hangout mailing list
Hangout-at-nylxs.com
http://www.nylxs.com/mailman/listinfo/hangout
--===============0029357019==--
--===============0029357019==
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------FYLPQM7QZG5MMR6CDS9NHYJ8DVSJAH
Content-Type: text/plain;
charset=utf-8
Content-Transfer-Encoding: quoted-printable
On 09/23/2017 07:49 PM, ruben safir wrote:
> If I understand correctly, someone sending email from an eternal MTA
> with a foreign email address ends up with a signature from the foreign
> MTA=2E What use is that? It is still an open relay=2E
>
This goes back to SPF where they decided to sell something that isn't an=
=20
anti-spam measure as an anti-spam measure, presumably to manipulate=20
everyone into implementing it=2E
DKIM is about authentication, not anti-spam=2E=C2=A0 It's not to stop open=
=20
relays or drug spam or your crazy uncle's conspiracy theories=2E DKIM=20
allows you to ensure the message comes from someone in control of the=20
envelope sender address (iirc) and is genuinely the same as the one the=20
mail server passed to you, not that it isn't trying to sell you magic bean=
s=2E
- Ron
--=20
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E
------FYLPQM7QZG5MMR6CDS9NHYJ8DVSJAH
Content-Type: text/html;
charset=utf-8
Content-Transfer-Encoding: quoted-printable
On 09/23/2017 07:49 PM, ruben safir wrote:
> If I understand correctly, someone sending email from an eternal MTA<=
br>
> with a foreign email address ends up with a signature from the foreig=
n
> MTA=2E What use is that? It is still an open relay=2E
>
This goes back to SPF where they decided to sell something that isn't =
an
anti-spam measure as an anti-spam measure, presumably to manipulate
everyone into implementing it=2E
DKIM is about authentication, not anti-spam=2E=C2=A0 It's not to stop =
open
relays or drug spam or your crazy uncle's conspiracy theories=2E DKIM =
allows you to ensure the message comes from someone in control of the
envelope sender address (iirc) and is genuinely the same as the one the r>
mail server passed to you, not that it isn't trying to sell you magic =
beans=2E
- Ron
--
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E
------FYLPQM7QZG5MMR6CDS9NHYJ8DVSJAH--
--===============0029357019==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
Hangout mailing list
Hangout-at-nylxs.com
http://www.nylxs.com/mailman/listinfo/hangout
--===============0029357019==--
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