For me, disabling "Always use PGP/MIME" does not get rid of the undesired behaviour. Enigmail+icedove worked perfectly fine until recently (maybe since last week? cant remember exactly).
-- System Information: Debian Release: lenny/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 2.6.24-1-amd64 (SMP w/4 CPU cores) Locale: LANG=sv_SE.UTF-8, LC_CTYPE=sv_SE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages enigmail depends on: ii gnupg 1.4.6-2.2 GNU privacy guard - a free PGP rep ii icedove 2.0.0.14-1 free/unbranded thunderbird mail/ne ii libc6 2.7-10 GNU C Library: Shared libraries ii libgcc1 1:4.3.1-2 GCC support library ii libnspr4-0d 4.7.1-3 NetScape Portable Runtime Library ii libstdc++6 4.3.1-2 The GNU Standard C++ Library v3 enigmail recommends no packages. -- no debconf information -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]