RFC 1521:MIME (Multipurpose Internet Mail Extensio...
RFC-Ref

CR


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... CRLF, in this document, refers to the sequence of the two ASCII characters CR (13) and LF (10) which, taken together, in this order, denote a line break ...


... IMPLEMENTORS: If binary data are encoded in quoted- printable, care must be taken to encode CR and LF characters as "=0D" and "=0A", respectively. In particular, a CRLF ...
... selected so as to be universally representable, and the set excludes characters with particular significance to SMTP (e.g., ".", CR, LF) and to the encapsulation ...


... the RFC822std11(-> 2822prop) CRLF convention -- systems are known that use plain CR, plain LF, CRLF ...
... LF, CRLF, or counted records. The result is that isolated CR and LF characters are not well tolerated in general; they may be lost or converted to delimiters on some systems, and hence must ...



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