Tickets :: Comment on [#3565] Attachment modification (newline structure changes)

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Comment	> It sounds like you are still not understanding the issue. What the > RFC essentially says is that Quoted-Printable (by default) is not > able to reliably handle binary data. This is because the Q-P > algorithim differs depending on whether you are feeding it binary vs. > non-binary (e.g. text) data. Namely, the encoding of line ending > characters differ depending on whether the data is binary or not. > > > > What is important for our purposes is that there is absolutely no way > to determine whether a given data stream is binary or not if it > contains only 7bit characters. The only way to tell if data is > binary is via outside information. If IMP determines the data is > binary, we encode in base64. If it is text we encode in > quoted-printable. > > > > In this case, IMP is determining the binary-ness of the data via the > mime type the browser is reporting when uploading the file (or via a > MIME magic call if the data is uploaded via > application/octet-stream). In your case, the browser is reporting > this data as a text/* part. By definition of the RFCs, a text/* part > is NOT BINARY DATA. Thus, we are encoding the file correctly. The > issue is with either with your browser or the mime magic regexs. In > either case, there is nothing broken with the way Horde/IMP is > encoding/decoding the data.
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