Ted Cooper wrote:
> Karl Fischer wrote:
>> Ted Cooper wrote:
>>> Tomasz Chmielewski wrote:
>>>> Tomasz Chmielewski schrieb:
>>>>> If DomainKeys signing is enabled in Exim, it adds a signature in email's headers.
>>>>>
>>>>> However, this signature in header is not wrapped, which makes the header very long, i.e.:
>>>>>
>>>>> DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=somedomain.tld;
>>>>> h=Received:To:Subject:Message-Id:From:Date;
>>>>> b=b...................................................................................................................xyz;
>>>>>
>>>>>
>>>>> Such long headers trigger SpamAssassin's HEAD_LONG test, which adds 2.5 spam points to a mail.
>>>>>
>>>>>
>>>>> How can I make DomainKeys signature properly wrapped when signing with Exim
>>>>> (note: DKIM signature is wrapped properly, only DomainKeys makes these problems)?
>>>> Nobody knows?
>>>>
>>>> At least, could anyone confirm (or not) that these very long DomainKeys
>>>> headers are inserted by Exim in his/her installation as well, when
>>>> DomainKeys signing is enabled?
>>>>
>>> I was going to look at this weekend, but I don't use DomainKeys to check
>>> it now. Does anyone use this or did everyone head over to DKIM?
>> well, if that helps:
>> I quickly greped over some 300.000 emails and I found only a few using DomainKeys,
>> but all of them were long lines, not wrapped. Didn't have any problems with SPAM
>> Filtering so far ...
>
> Did all of those DomainKeys emails source from Exim servers or from
> other types as well?
It was mainly other types by a quick look ...
I haven't had the time to create a realy statistic, but if that's really interesting, I
can provide that. But this is just a small mailserver for some 200+ users in 40+ domains,
so it will not be representative in any way ...
- Karl
