…SMTP envelope and mail header field values. The UTF8SMTP extension ([RFC4952], [RFC5335], and [RFC5336]) allows UTF-8 characters in SMTP envelope and mail header field values. If an envelope address or header field contains non-ASCII characters, the message cannot be delivered un…

…P envelope and mail header field values. The UTF8SMTP extension ([ RFC4952 ], [ RFC5335 ], and RFC5336 ]) allows UTF-8 characters in SMTP envelope and mail header field values. If an envelope address or header field contains non-ASCII characters, the message cannot be delivered u…

…erver that does not support this extension. The EAI UTF-8 header specification [RFC5335] provides the details of how and where non-ASCII characters are permitted in the header fields of messages. The context for this specification is described in the framework document. 3. Mail T…

…rver that does not support this extension. The EAI UTF-8 header specification [ RFC5335 ] provides the details of how and where non-ASCII characters are permitted in the header fields of messages. The context for this specification is described in the framework document. . Mail T…

…F-8 [ RFC3629 ] in headers, as described in "Internationalized Email Headers" [ RFC5335 ]. It also adds a mechanism to support login names and passwords outside the ASCII character set, and a mechanism to support UTF-8 protocol-level error strings in a language appropriate for th…

…F-8 [ RFC3629 ] in headers, as described in "Internationalized Email Headers" [ RFC5335 ]. It also adds a mechanism to support login names and passwords outside the ASCII character set, and a mechanism to support UTF-8 protocol-level error strings in a language appropriate for th…

…F-8 [ RFC3629 ] in headers, as described in "Internationalized Email Headers" [ RFC5335 ]. It also adds a mechanism to support login names and passwords outside the ASCII character set, and a mechanism to support UTF-8 protocol-level error strings in a language appropriate for th…

…FC4952 ], also provided an introduction to a series of experimental protocols [ RFC5335 ] [ RFC5336 ] [ RFC5337 ] [ RFC5504 ] [ RFC5721 ] [ RFC5738 ] [ RFC5825 ]. This revised form provides overview and conceptual information for the Standards Track successors of a subset of thos…

…ess Internationalization (UTF8SMTP) extension document set [RFC4952] [RFC5336] [RFC5335] [RFC5337] expands Email address structure, syntax, and email header format. To avoid rejection of internationalized email messages, the downgrading mechanism [RFC5504] converts an internation…

…FC4952 ], also provided an introduction to a series of experimental protocols [ RFC5335 RFC5336 ] [ RFC5337 ] [ RFC5504 ] [ RFC5721 ] [ RFC5738 ] [ RFC5825 ]. This revised form provides overview and conceptual information for the Standards Track successors of a subset of those pr…

…nternationalization (UTF8SMTP) extension document set [ RFC4952 ] [ RFC5336 ] [ RFC5335 ] [ RFC5337 ] expands Email address structure, syntax, and email header format. To avoid rejection of internationalized email messages, the downgrading mechanism [ RFC5504 converts an internat…

…ge footers, and RFC Index entries are in error. This is fixed in draft-ietf-eai-rfc5335bis-02 and later. A successor to that document will eventually obsolete RFC 5335.

…these specifications. This specification is a revision of and replacement for [ RFC5335 ]. Section 6 of [RFC6530] describes the change in approach between this specification and the previous version. 2 . Terminology Used in This Specification A plain ASCII string is fully compati…

…ar in addresses and other information throughout the header fields of messages. RFC5335 ] specifies the format of such message header fields (which encode the characters in UTF-8), and [ RFC5336 ] specifies an SMTP option for the transport of these messages. o MIME's [ RFC2045 ] …

…these specifications. This specification is a revision of and replacement for [ RFC5335 ]. Section 6 of [RFC6530] describes the change in approach between this specification and the previous version. . Terminology Used in This Specification A plain ASCII string is fully compatibl…