.MessageError: ClassType
.MessageError <: Exception
.MessageParseError: ClassType
.MessageParseError <: MessageError
.HeaderParseError: ClassType
.HeaderParseError <: MessageParseError
.BoundaryError: ClassType
.BoundaryError <: MessageParseError
.MultipartConversionError: ClassType
.MultipartConversionError <: MessageError
.CharsetError: ClassType
.CharsetError <: MessageError
.MessageDefect: ClassType
.MessageDefect <: ValueError
.NoBoundaryInMultipartDefect: ClassType
.NoBoundaryInMultipartDefect <: MessageDefect
.StartBoundaryNotFoundDefect: ClassType
.StartBoundaryNotFoundDefect <: MessageDefect
.ClosedBoundaryNotFoundDefect: ClassType
.ClosedBoundaryNotFoundDefect <: MessageDefect
.FirstHeaderLineIsContinuationDefect: ClassType
.FirstHeaderLineIsContinuationDefect <: MessageDefect
.MisplacedEnvelopeHeaderDefect: ClassType
.MisplacedEnvelopeHeaderDefect <: MessageDefect
.MultipartInvariantViolationDefect: ClassType
.MultipartInvariantViolationDefect <: MessageDefect
.InvalidMultipartContentTransferEncodingDefect: ClassType
.InvalidMultipartContentTransferEncodingDefect <: MessageDefect
.UndecodableBytesDefect: ClassType
.UndecodableBytesDefect <: MessageDefect
.InvalidBase64PaddingDefect: ClassType
.InvalidBase64PaddingDefect <: MessageDefect
.InvalidBase64CharactersDefect: ClassType
.InvalidBase64CharactersDefect <: MessageDefect
.InvalidBase64LengthDefect: ClassType
.InvalidBase64LengthDefect <: MessageDefect
.HeaderDefect: ClassType
.HeaderDefect <: MessageDefect
.InvalidHeaderDefect: ClassType
.InvalidHeaderDefect <: HeaderDefect
.HeaderMissingRequiredValue: ClassType
.HeaderMissingRequiredValue <: HeaderDefect
.NonPrintableDefect: ClassType
.NonPrintableDefect <: HeaderDefect
.ObsoleteHeaderDefect: ClassType
.ObsoleteHeaderDefect <: HeaderDefect
.NonASCIILocalPartDefect: ClassType
.NonASCIILocalPartDefect <: HeaderDefect
.InvalidDateDefect: ClassType
.InvalidDateDefect <: HeaderDefect