ma1l1ists at yahoo
Jul 31, 2010, 9:11 AM
Post #2 of 3
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Re: Copying yahoo to maximise compatibility with other servers
[In reply to]
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>> Hi,
>>
>> I ran into problems with DKIM and have since switched to domainkeys.
>>We send tons of emails to yahoo and no problems. Also we are using
>>senderscore (which require the use of dkim or domainkeys) and no
>>problems.
Fair enough and thanks, I guess I could do that then, but yahoo do use
dkim with qmail as the following from one of their marketing mails
shows.
"Authentication-Results: mta118.mail.ird.yahoo.com
from=cc.yahoo-inc.com; domainkeys=pass (ok); from=cc.yahoo-inc.com;
dkim=pass (ok)"
I was hoping someone could tell me what they use so that I could be
in the same boat because servers HAVE TO/Certainly should be compatible
with yahoo.
I guess I can always try the different methods and see what happens but
I'd rather someone could give me a tip off.
On Fri, 30 Jul 2010 20:53:47 +0100
Kevin Chadwick <ma1l1ists [at] yahoo> wrote:
> When looking for the best way of implementing dkim with qmail. I came
> across the following link.
>
> "http://www.mail-archive.com/dkim-milter-discuss [at] lists/msg01699.html"
>
> Which says
>
> It turns out
> that dkim-milter's library (libdkim) and also older versions of
> OpenDKIM's library (libopendkim) contained a bug in relaxed body
> canonicalization, which is the mode Yahoo! uses. OpenDKIM v1.2.0
> contained a fix for this. As they upgrade their servers to contain
> that patch, older software without the fix will begin getting
> verification errors from Yahoo!.
>
> Does anyone know what yahoo uses or a good way of using libopendkim
> with qmail. Or alternatively whether libdkim or the dkim perl module
> ("http://www.memoryhole.net/qmail#dkim") will avoid these verification
> errors.
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