Re: OT: help with understanding domain key implications

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\ Pascal Hard (13 Mar 2008)
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. . \ Colin Campbell (14 Mar 2008)
. . . \ mouss (14 Mar 2008)
. . . . \ Colin Campbell (17 Mar 2008)
. \ vg_us (17 Mar 2008)

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Subject:	Re: OT: help with understanding domain key implications
Group:	Postfix-users
From:	vg_us
Date:	17 Mar 2008

----- Original Message -----
From: "Noel Jones" <njones>
To: <postfix-users>
Sent: Monday, March 17, 2008 1:07 PM
Subject: Re: OT: help with understanding domain key implications

> vg_us wrote:
>> Hello to all...
>>
>> I need a help understanding implications of publishing domain key for
>> domain: what are the downsides, what needs to be done before publishing
>> domain key?
>>
>> The problem i'm facing is with email provider that delivers massmails to
>> our alumnae and takes care of mail forwarding for our alum subdomain.
>> Now - they want us to publish domain THEIR domain key for "deliverabilty"
>> purposes. The problem is email send using address at our main domain (not
>> subdomain) in From: field. What are problems with that: would mail
>> systems on the net assume that if domain has key published, ALL email
>> from that domain should be sighed? what are the chances antispam systems
>> start blacklisting domain keys of mass mailers (blacklisting our entire
>> domain in process)?
>>
>> Any help will be appreciated.
>> Vadim
>
> DomainKeys is deprecated and replaced by DKIM.
>
> Read up on DKIM at www.dkim.org
>
> Do I understand this right - some third party that sends mail (which some
> might consider spam) to your alumnae on your behalf wants to sign the mail
> as if they came directly from you?
>
> I wouldn't do that.

Yep - that's what i thought. We already gave them alum. sub-domain. People
working for our college who send it out just don't like
user as From: address - want to use their own addresses
@college.edu

Thanks
Vadim

PS If anyone's curious - this is what thay're asking for:
http://customer.convio.com/site/PageServer?pagename=Email_Sender_Verification

>
> --
> Noel Jones
>