IMAP4 Compatibility with IMAP2 and IMAP2bis, December 1994
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This is a summary of hints and recommendations to enable an IMAP4 implementation to interoperate with implementations that conform to earlier specifications. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.