Re: [exim] DKIM and DomainKeys

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Autor: Gordon Dickens
Data:  
Dla: Tom Kistner
CC: Exim_Users_Group
Temat: Re: [exim] DKIM and DomainKeys
Hi Tom,

Great to hear that your DKIM implementation is in CVS with documentation
to follow shortly. Do you have any idea when your DKIM implementation
will be officially released? I assume that it will be included in the
next release of exim, maybe version 4.70? I was just wondering what the
projected time frame is for the next release of exim. Its been a while
since the 4.69 release.....

Thanks!

Gordon



Tom Kistner wrote:
> Rick Cooper wrote:
>
>
>> Is there any work being done, or a patch available, to allow signing both
>> DKIM and DomainKeys without sending a message through exim twice?
>>
>
> The situation right now is a bit confusing.
>
> I had added concurrent Domainkeys (via libdomainkeys) and DKIM (via
> libdkim) signing support in CVS after the 4.69 release. That code was
> never released, but some people run a snapshot of it.
>
> DKIM verification support was oddly implemented, and the library I used
> had some limitations at that time. It also brought in additional
> build-time dependencies (lstdc++, openssl).
>
> So I wrote my own DKIM implementation [1] which is dependency-free and
> portable even to non-posix platforms like Windows. Similar to how pcre
> was handled, a copy is included in the Exim source, so Exim can have
> DKIM support by default on its supported platforms (I didn't try them
> all of course ...).
>
> The code is finished and in CVS. What is missing is the documentation. I
> hope to finish it next week. Domainkeys support has been dropped. I
> don't really feel like bringing it back, since I now consider it to be a
> dead proprietary technology. If you really need to run DKIM/Domainkeys
> concurrently with Exim, your only option is to pull a CVS snapshot by
> date of April last year, or use the tarball I posted back then [2].
>
> /tom
>
> [1] http://github.com/duncanthrax/pdkim/tree/master
> [2] http://duncanthrax.net/exim-experimental/exim-cvssnap-2008-03-05.tar.gz
>
>