Re: dmarc failure when sending to the list

From: Murray S. Kucherawy <>
Date: Wed, 9 Jul 2014 23:27:26 -0700 (PDT)

On Wed, 9 Jul 2014, Patrick Proniewski wrote:
>> Admitting I could convert before signing, how would I know what is the
>> Content-Transfer-Encoding preferred by the remote server?
> Ok, looks like DKIM requires that Content-Transfer-Encoding is 7bits
> (quoted-printable for example) before signing, according to the RFC:
> <> Now the problem
> remains, unfortunately, meaning that using a strong DMARC/DKIM policy is
> impossible unless you don't mind seeing your emails beeing dropped by
> remote mail servers.
> Am I missing something?

RFC4871 is obsolete. You should be using RFC6376 as the reference.

Anyway, can you coax your message generator or MTA to convert to something
that's 7-bit?

Received on Thu Jul 10 2014 - 06:27:48 PST

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