[AndrewD]

Originally Posted by Jaynesh

Hmm.. Could you please tell me how to set it correctly.

mimetypes are used so that the browser and other software knows what to do with what they are being given. Each filetype that you want LDM to handle corrently as a download, and upload or a media file needs to have an entry in the VB attachments table. Take a look at the entries that are set by the VB team themselves - each file type is set up with the following information:

Extension (i.e. mp3, etc)
Max Filesize(in bytes) (can be left at 0 to set no limit)
Maximum Width (in pixels, for image files)
Maximum Height(in pixels, 600 for example)
Mime Type
Display thumbnail for this type? (image files)
Open this attachment in a new browser window?
Enabled

The only bits that LDM cares about are the extension, the max filesize (for uploads) and the mimetype

Here are some standard mimetypes:

bmp Content-type: image/bmp
doc Content-type: application/msword
gif Content-type: image/gif
jpe, jpeg, jpg Content-type: image/jpeg
m3u Content-type: audio/x-mpegurl
mov Content-type: video/quicktime
mpg, mpeg Content-type: video/mpeg
mp3 Content-type: audio/mpeg
pdf Content-type: application/pdf
png Content-type: image/png
ram Content-type: audio/x-pn-realaudio
rm Content-type: audio/x-realaudio
rmvb Content-type: video/x-realaudio
rpm Content-type: audio/x-pn-realaudio-plugin
txt Content-type: plain/text
wmv Content-type: video/x-ms-wmv
zip Content-type: application/zip

You can find others at http://www.webmaster-toolkit.com/mime-types.shtml