FT_INDEX_IGNORE_ATTACHMENT_TYPES=*.asf,*.avi,*.bin,*.bmp,*.dat,*.iso,*.mpeg,*.ogg,*.qz,*.rar,*.rm,*.so,*.swf,*.wmv,*.z
This example would result in the following full set of excluded attachments: asf, .au, .avi, .bin, .bmp, .bqy, .cca, .dat, .dbd, .dll, .exe, .gif, .img, .iso, .jpg, .mov, .mp3, .mpeg, .mpg, .nsf, .ntf, .ogg, .p7m, .p7s, .pag, .pdb, .qz, .rar, .rm, .so, .swf, .sys, .tar, .tif, .wav, .wmv, .wpl, .z, .zip