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Subject: DKIM Deployment

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Re: [ddx] DKIM and forwarding


Chronological Thread 
  • From: Dave CROCKER <>
  • To: Serge Aumont <>
  • Cc: Jim Fenton <>, Jesse Thompson <>,
  • Subject: Re: [ddx] DKIM and forwarding
  • Date: Thu, 14 Jan 2010 08:12:42 -0800
  • Organization: Brandenburg InternetWorking


On 1/13/2010 11:57 PM, Serge Aumont wrote:
Do you mean that DKIM canonicalization algorithm should convert all
headers when preparing message from signature or verification ?


Yes. From RFC 4871:

3.4.2 The "relaxed" Header Canonicalization Algorithm

The "relaxed" header canonicalization algorithm MUST apply the following steps in order:

* Convert all header field names (not the header field values) to
lowercase.
...

--

Dave Crocker
Brandenburg InternetWorking
bbiw.net

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