Re: [EAI] UTF-8 in Message-IDs
"John Levine" <johnl@taugh.com> Mon, 15 August 2011 17:51 UTC
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Date: Mon, 15 Aug 2011 17:52:14 -0000
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From: John Levine <johnl@taugh.com>
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Subject: Re: [EAI] UTF-8 in Message-IDs
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>Now there is a problem. An automatically-generated In-reply-to >header field, generated as recommended in 5322 (unchanged in >5335bis) is going to contain that non-ASCII Message-ID. That >requires EAI handling (i.e., the UTF8SMTPbis extension) for the >outgoing message even though the In-reply-to field is the only >header field containing non-ASCII characters. Given the >scenario above, that makes the message non-deliverable to my >intended new recipient. ... If I may try to peek inside the can while trying to keep the worms from escaping, I think many of us have an informal mental model of a poorly specified downgrade process at submission time, since that's the point at which it's more likely that software will have access to address books with alternate addresses and so forth. With that in mind, it would be nice to have an ASCII message-id to make the poorly specified process easier. But I don't think we should go there, except perhaps in an entirely separate document that makes it as clear as possible that it's not part of the normal EAI transmission process. I find the most compelling argument the one that there'll be UTF-8 in message-ID's no matter what we say, so let's not specify something that we expect implementors to get wrong. R's, John
- Re: [EAI] UTF-8 in Message-IDs John Levine
- [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs Dave CROCKER
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs John Levine
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs ned+ima
- Re: [EAI] UTF-8 in Message-IDs Chris Newman
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs Dave CROCKER
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs John Levine
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs John C Klensin
- Re: [EAI] UTF-8 in Message-IDs Frank Ellermann
- Re: [EAI] UTF-8 in Message-IDs Charles Lindsey
- Re: [EAI] UTF-8 in Message-IDs Julien ÉLIE