Re[2]: implementing spf

[Gary]

Hi Kevin / Robert,

On Mon, 26 Jul 2004 10:39:59 -0700 (PDT) UTC (7/26/2004, 12:39 PM -0500 UTC
my time), Kevin Stevens and On Mon, 26 Jul 2004, Robert Storey wrote in part:

>> Specifically:
>>
>>   1) Is the technology useful?
>>
>>   2) How does one implement spf on the server side?
>>
>>   3) How does one implement spf on the client side?
>>
>> I most interested in No. 3 above - specifically, is there anything that
>> I must do as an end-user to make use of spf?

K> As an end-user, nothing.  http://spf.pobox.com/users.html.  Same site for
K> a general FAQ which addresses implementation (it's done via DNS records).
K> The Slashdot article had a link to the Microsoft implementation; the
K> complaint about it is that they are releasing a free license to implement,
K> which can be revoked at any time.


For the other side of the coin, regarding SPF.. we have...



-- 
Gary


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Re: implementing spf

[Kevin Stevens]

On Mon, 26 Jul 2004, Robert Storey wrote:

> I never heard of spf until yesterday, when there was a big discussion
> about it on Slashdot. The discussion was very political (about
> Microsoft, Richard Stallman, etc). I don't want to get into any of the
> politics here, as it's not appropriate for this list. But I am
> interested in the technology aspect.

Most of the technology issues aren't appropriate for this list, either, so
I suspect you care less about the propriety than your particular interest.

> Specifically:
>
>   1) Is the technology useful?
>
>   2) How does one implement spf on the server side?
>
>   3) How does one implement spf on the client side?
>
> I most interested in No. 3 above - specifically, is there anything that
> I must do as an end-user to make use of spf?

As an end-user, nothing.  http://spf.pobox.com/users.html.  Same site for
a general FAQ which addresses implementation (it's done via DNS records).
The Slashdot article had a link to the Microsoft implementation; the
complaint about it is that they are releasing a free license to implement,
which can be revoked at any time.

KeS
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Re: implementing spf

[Jan Grant]

On Mon, 26 Jul 2004, Robert Storey wrote:
[on spf]
 1) Is the technology useful?
 2) How does one implement spf on the server side?
 3) How does one implement spf on the client side?
I most interested in No. 3 above - specifically, is there anything that
I must do as an end-user to make use of spf?
The answer to (3) directly is, "no"* - which is why SPF is so useful, 
since it doesn't require large (or any) changes to a user's clients 
(assuming you're not doing mailing list expansion via your MUA, which I 
believe some packages do).

The SPF pages at pobox have all the details you could want, including 
pointers to various implementations. It's pretty simple and 
straightforward; furthermore, the license situation is positive. If the 
MARID stuff ends up encumbered with what RMS calls a 
non-free-software-compatible license then it's quite likely that it 
simply won't fly, regardless. SPF itself is in use right now, however.

jan
* if you're originating email from "offsite" (dialup lines etc.) then 
you may need to coordinate with your mail admin to ensure you're 
targeting the correct MSA.

--
jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/
Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/
Donate a signature: http://ioctl.org/jan/sig-submit
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implementing spf

[Robert Storey]

I never heard of spf until yesterday, when there was a big discussion
about it on Slashdot. The discussion was very political (about
Microsoft, Richard Stallman, etc). I don't want to get into any of the
politics here, as it's not appropriate for this list. But I am
interested in the technology aspect. Specifically:

  1) Is the technology useful?

  2) How does one implement spf on the server side?

  3) How does one implement spf on the client side?

I most interested in No. 3 above - specifically, is there anything that
I must do as an end-user to make use of spf?

Thanks in advance,
Robert
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