On 05/19/2011 10:50 AM, Murray S. Kucherawy wrote:
Can anyone remember why there’s a SHOULD for the downgrade to 7-bit in
RFC4871 Section 5.3, rather than a MUST? The likelihood of breakage is
so high when sending 8-bit data that DKIM almost becomes pointless
without the upgrade.
Not advocating for this to be changed in –bis (yet), but someone’s
asking me for the history behind that decision.
I don't remember the original rationale, but it would be bizarre for
DKIM to hem in any future SMTP improvements/standards regarding 8 bit.
Mike
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