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Internationalized Email Headers

Internationalized Email Headers. Jeff Yeh TWNIC. Change from -00. Remove content related to SMTP protocol. Introduce new “i18n-email” header. <addr-spec> syntax. Internationalized Email Headers. To allow UTF-8 in email header fields.

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Internationalized Email Headers

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  1. Internationalized Email Headers Jeff Yeh TWNIC

  2. Change from -00 • Remove content related to SMTP protocol. • Introduce new “i18n-email” header. • <addr-spec> syntax.

  3. Internationalized Email Headers • To allow UTF-8 in email header fields. • UTF-8 headers are permitted in transmission, only when the SMTP extension iEmail is advertised. • New header “i18n-email” is introduced to identify internationalized emails.

  4. Impact to headers • The rules in RFC 2822 for header names are not changed. • <unstructured>, <comment> and <phrase> are allowed to use UTF-8. - ex: Subject, Comment, Keyword … • <date-time>, <msg-id> remains the same definition as in RFC2822. - ex: Date, Message-ID, In-Reply-To and References …

  5. Impact to <addr-spec> mailbox = new-name-addr / new-addr-spec new-name-addr = [display-name] new-angle-addr new-angle-addr = [CFWS] "<" new-addr-spec ">" [CFWS] new-angle-addr =/ obs-angle-addr new-addr-spec = [addr-spec] non-ASCII-addr-spec new-addr-spec =/ addr-spec “Jeff Yeh” <jeff@twnic.net.tw> “Jeff Yeh” <葉士豪@台網中心.tw> “Jeff Yeh” <jeff@twnic.net.tw 葉士豪@台網中心.tw>

  6. Thank you

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