In the preferences window, the download actions for the attachments cannot be edited. emerge --info Portage 2.1.2_rc3-r4 (default-linux/amd64/2006.1, gcc-4.1.1, glibc-2.5-r0, 2.6.18-gentoo-r3 x86_64) ================================================================= System uname: 2.6.18-gentoo-r3 x86_64 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz Gentoo Base System version 1.12.7 Last Sync: Wed, 13 Dec 2006 07:50:01 +0000 dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.4.4 dev-python/pycrypto: 2.0.1-r5 sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.14 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.17-r2 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig candy distlocks metadata-transfer sfperms strict" GENTOO_MIRRORS="ftp://pandemonium.tiscali.de/pub/gentoo/ ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://ftp.uni-erlangen.de/pub/mirrors/gentoo http://gd.tuwien.ac.at/opsys/linux/gentoo/ http://pandemonium.tiscali.de/pub/gentoo/ http://gentoo.intergenia.de/ ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/ ftp://ftp.tu-clausthal.de/pub/linux/gentoo/ ftp://ftp.join.uni-muenster.de/pub/linux/distributions/gentoo ftp://ftp.ussg.iu.edu/pub/linux/gentoo ftp://ftp.gtlib.gatech.edu/pub/gentoo" LINGUAS="en_GB" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage /usr/local/portage/xeffects/trunk /usr/local/portage/xeffects/experimental" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="amd64 X alsa alsa_cards_hda-intel arts berkdb bitmap-fonts cli cracklib crypt cups dlloader dri dvdread elibc_glibc esd fortran gdbm gnome gpm gtk gtk2 hal howl iconv input_devices_evdev input_devices_keyboard input_devices_mouse ipv6 isdnlog jack kernel_linux libg++ linguas_en_GB mysql ncurses nls nptl nptlonly opengl oss pam pcre pdf perl png ppds pppd python qt qt3 readline reflection sasl session spl ssl tcpd truetype-fonts type1-fonts udev unicode userland_GNU video_cards_apm video_cards_ark video_cards_ati video_cards_chips video_cards_cirrus video_cards_cyrix video_cards_dummy video_cards_fbdev video_cards_glint video_cards_i128 video_cards_i810 video_cards_mga video_cards_neomagic video_cards_nv video_cards_rendition video_cards_s3 video_cards_s3virge video_cards_savage video_cards_siliconmotion video_cards_sis video_cards_sisusb video_cards_tdfx video_cards_tga video_cards_trident video_cards_tseng video_cards_v4l video_cards_vesa video_cards_vga video_cards_via video_cards_vmware video_cards_voodoo xml xorg zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, MAKEOPTS, PORTAGE_RSYNC_EXTRA_OPTS
http://kb.mozillazine.org/Actions_for_attachment_file_types#Removing_all_the_settings_for_attachment-handling_actions
