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j2ee帮助文档软件设计/软件工程 文件格式

<TD>
The <code>mail.mime.decodetext.strict</code> property controls
decoding of MIME encoded words.  The MIME spec requires that encoded
words start at the beginning of a whitespace separated word.  Some
mailers incorrectly include encoded words in the middle of a word.
If the <code>mail.mime.decodetext.strict</code> System property is
set to <code>"false"</code>, an attempt will be made to decode these
illegal encoded words. The default is true.
</TD>
</TR>

<TR>
<TD>mail.mime.encodeeol.strict</TD>
<TD>boolean</TD>
<TD>
The <code>mail.mime.encodeeol.strict</code> property controls the
choice of Content-Transfer-Encoding for MIME parts that are not of
type "text".  Often such parts will contain textual data for which
an encoding that allows normal end of line conventions is appropriate.
In rare cases, such a part will appear to contain entirely textual
data, but will require an encoding that preserves CR and LF characters
without change.  If the <code>mail.mime.encodeeol.strict</code>
System property is set to <code>"true"</code>, such an encoding will
be used when necessary.  The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.decodefilename</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, the <code>getFileName</code> method
uses the <code>MimeUtility</code>
method <code>decodeText</code> to decode any
non-ASCII characters in the filename.  Note that this decoding
violates the MIME specification, but is useful for interoperating
with some mail clients that use this convention.
The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.encodefilename</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, the <code>setFileName</code> method
uses the <code>MimeUtility</code>
method <code>encodeText</code> to encode any
non-ASCII characters in the filename.  Note that this encoding
violates the MIME specification, but is useful for interoperating
with some mail clients that use this convention.
The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.decodeparameters</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, non-ASCII parameters in a
<code>ParameterList</code>, e.g., in a Content-Type header,
will be encoded as specified by
<A HREF="http://www.ietf.org/rfc/rfc2231.txt" TARGET="_top">RFC 2231</A>.
The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.encodeparameters</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, non-ASCII parameters in a
<code>ParameterList</code>, e.g., in a Content-Type header,
will be decoded as specified by
<A HREF="http://www.ietf.org/rfc/rfc2231.txt" TARGET="_top">RFC 2231</A>.
The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.multipart. ignoremissingendboundary</TD>
<TD>boolean</TD>
<TD>
Normally, when parsing a multipart MIME message, a message that is
missing the final end boundary line is not considered an error.
The data simply ends at the end of the input.  Note that messages
of this form violate the MIME specification.  If the property
<code>mail.mime.multipart.ignoremissingendboundary</code> is set
to <code>false</code>, such messages are considered an error and a
<code>MesagingException</code> will be thrown when parsing such a
message.
</TD>
</TR>


<TR>
<TD>mail.mime.multipart. ignoremissingboundaryparameter</TD>
<TD>boolean</TD>
<TD>
If the Content-Type header for a multipart content does not have
a <code>boundary</code> parameter, the multipart parsing code
will look for the first line in the content that looks like a
boundary line and extract the boundary parameter from the line.
If this property is set to <code>"false"</code>, a
<code>MessagingException</code> will be thrown if the Content-Type
header doesn't specify a boundary parameter.
The default is true.
</TD>
</TR>

</TABLE>



<P>
The following properties are supported by Sun's implementation of
JavaMail, but are not currently a required part of the specification.
As above, these must be set as <CODE>System</CODE> properties.
The names, types, defaults, and semantics of these properties may
change in future releases.
<P>
<TABLE BORDER>
<TR>
<TH>Name</TH>
<TH>Type</TH>
<TH>Description</TH>
</TR>

<TR>
<TD>mail.mime.base64.ignoreerrors</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, the BASE64 decoder will ignore errors
in the encoded data, returning EOF.  This may be useful when dealing
with improperly encoded messages that contain extraneous data at the
end of the encoded stream.  Note however that errors anywhere in the
stream will cause the decoder to stop decoding so this should be used
with extreme caution.  The default is false.
</TD>
</TR>

<TR>
<TD>mail.mime.foldtext</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, header fields containing just text
such as the <code>Subject</code> and <code>Content-Description</code>
header fields, and long parameter values in structured headers such
as <code>Content-Type</code> will be folded (broken into 76 character lines)
when set and unfolded when read.  The default is true.
</TD>
</TR>

<TR>
<TD>mail.mime.setcontenttypefilename</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, the <code>setFileName</code> method
will also set the <code>name</code> parameter on the <code>Content-Type</code>
header to the specified filename.  This supports interoperability with
some old mail clients.  The default is true.
</TD>
</TR>

<TR>
<TD>mail.mime.setdefaulttextcharset</TD>
<TD>boolean</TD>
<TD>
When updating the headers of a message, a body
part with a <code>text</code> content type but no <code>charset</code>
parameter will have a <code>charset</code> parameter added to it
if this property is set to <code>"true"</code>.
The default is true.
</TD>
</TR>

<TR>
<TD>mail.mime.applefilenames</TD>
<TD>boolean</TD>
<TD>
Apple Mail incorrectly encodes filenames that contain spaces,
forgetting to quote the parameter value.  If this property is
set to <code>"true"</code>, JavaMail will try to detect this
situation when parsing parameters and work around it.
The default is false.
</TD>
</TR>

<TR>
<TD>mail.alternates</TD>
<TD>String</TD>
<TD>
A string containing other email addresses that the current user is known by.
The <code>MimeMessage</code> <code>reply</code> method will eliminate any
of these addresses from the recipient list in the message it constructs,
to avoid sending the reply back to the sender.
</TD>
</TR>

<TR>
<TD>mail.replyallcc</TD>
<TD>boolean</TD>
<TD>
If set to <code>"true"</code>, the <code>MimeMessage</code>
<code>reply</code> method will put all recipients except the original
sender in the <code>Cc</code> list of the newly constructed message.
Normally, recipients in the <code>To</code> header of the original
message will also appear in the <code>To</code> list of the newly
constructed message.
</TD>
</TR>

</TABLE>
<P>

<P>
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