I can also confirm this issue on my workstation. Here are my iceowl and icedove versions:
$ dpkg -s iceowl-extension Package: iceowl-extension Status: install ok installed Priority: optional Section: web Installed-Size: 4752 Maintainer: Alexander Sack <a...@debian.org> Architecture: amd64 Source: iceowl Version: 1.0~b2-4 Depends: icedove (>= 3.0.1) | thunderbird (>= 3.0.1), calendar-timezones (= 1.0~b2-4), libc6 (>= 2.7), libgcc1 (>= 1:4.1.1), libnspr4-0d (>= 1.8.0.10), libstdc++6 (>= 4.1.1) $ dpkg -s icedove Package: icedove Status: install ok installed Priority: optional Section: mail Installed-Size: 38984 Maintainer: Alexander Sack <a...@debian.org> Architecture: amd64 Version: 3.0.11-2 Replaces: icedove-gnome-support (<< 3.0-1~) Provides: mail-reader Depends: fontconfig, psmisc, debianutils (>= 1.16), libasound2 (>> 1.0.18), libatk1.0-0 (>= 1.29.3), libc6 (>= 2.3.2), libcairo2 (>= 1.8.8), libdbus-1-3 (>= 1.0.2), libfontconfig1 (>= 2.8.0), libfreetype6 (>= 2.2.1), libgcc1 (>= 1:4.1.1), libglib2.0-0 (>= 2.24.0), libgtk2.0-0 (>= 2.18.0), libjpeg62 (>= 6b1), libnspr4-0d (>= 4.7.0~1.9b1), libnss3-1d (>= 3.12.6), libpango1.0-0 (>= 1.14.0), libpng12-0 (>= 1.2.13-4), libsqlite3-0 (>= 3.6.4), libstartup-notification0 (>= 0.10), libstdc++6 (>= 4.1.1), libx11-6, libxrender1, libxt6, zlib1g (>= 1:1.1.4) -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org