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Re: [EAI] Rather serious bug in RFC 6531

John Levine <johnl@taugh.com> Mon, 04 January 2021 19:01 UTC

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From: John Levine <johnl@taugh.com>
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Subject: Re: [EAI] Rather serious bug in RFC 6531
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In article <F9872BDC3C6A75715CCDC997@PSB> you write:
>Our of curiosity, are/were your tests sensitive enough to tell
>the difference?

They weren't looking for nested addresses if that's what you're
asking. But if they used UTF8SMTP as the keyword, they'd have failed
and nobody did.  I noticed the Coremail IMAP stuff because it was
failing tests in odd ways.

>As you hint, Microsoft has significant history of qualifying for
>"really strange", going back at least to the implementations of
>Exchange Server in the early 1990s whose version of SMTP used an
>X.400 design and terminology.

>> I agree we should leave it alone.
>
>I think it is important that we discuss this and make an
>explicit decision.

I think we should make an explicit decision to leave it alone. If we
changed it I wouldn't expect implementations to change anytime soon.

R's,
John

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