Postfix removes it.

Scott K

On Monday, October 06, 2014 18:32:43 Murray Kucherawy via dmarc-discuss wrote:
> I get Received:, but why would Content-Length change in-flight?
> 
> -MSK
> 
> On 10/6/14, 11:01 AM, "Scott Kitterman via dmarc-discuss"
> 
> <[email protected]> wrote:
> >With obvious implications for DMARC failures.  See the postfix-users
> >thread
> >that starts here:
> >
> >https://urldefense.proofpoint.com/v1/url?u=http://archives.neohapsis.com/a
> >rchives/postfix/2014-10/0138.html&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=aZ0x
> >RzXh0AB20HBCmRph%2Bg%3D%3D%0A&m=lfSYBVH5FDF6rosyLcdxRtbHZp5ZSdRNYpI%2FRX5G
> >Km4%3D%0A&s=4200de29230600b9387daa6a9396f6c078fbb8a0011afc5ff99f437e767fab
> >f8
> >
> >It would be helpful if Yahoo! were to dial this back a bit and stick with
> >the
> >recommended fields to sign (i.e. drop Received and Content-Length).
> >Signing
> >those fields inevitably makes the signatures more fragile.
> >
> >Scott K
> >_______________________________________________
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> >088a07c4fdc10672e30bf29d947b642af222cb0345354759deb4bc760cc36f1
> >
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> >(https://urldefense.proofpoint.com/v1/url?u=http://www.dmarc.org/note_well
> >.html&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=aZ0xRzXh0AB20HBCmRph%2Bg%3D%3D%0
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> >bb0d6fcf9943fd5db1904b0adf73313b58891bb54979af11)
> 
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