I found another way to disable the thunderbird profile
root@debian:/etc/apparmor.d/local# ls bin.ping usr.bin.totem-previewers usr.lib.dovecot.log usr.sbin.dovecot gst_plugin_scanner usr.lib.dovecot.anvil usr.lib.dovecot.managesieve usr.sbin.identd README usr.lib.dovecot.auth usr.lib.dovecot.managesieve-login usr.sbin.mdnsd sbin.klogd usr.lib.dovecot.config usr.lib.dovecot.pop3 usr.sbin.nmbd sbin.syslogd usr.lib.dovecot.deliver usr.lib.dovecot.pop3-login usr.sbin.nscd sbin.syslog-ng usr.lib.dovecot.dict usr.lib.dovecot.ssl-params usr.sbin.smbd usr.bin.chromium-browser usr.lib.dovecot.dovecot-auth usr.sbin.apt-cacher-ng usr.sbin.smbldap-useradd usr.bin.evince usr.lib.dovecot.dovecot-lda usr.sbin.avahi-daemon usr.sbin.tcpdump usr.bin.irssi usr.lib.dovecot.imap usr.sbin.cups-browsed usr.sbin.traceroute usr.bin.pidgin usr.lib.dovecot.imap-login usr.sbin.cupsd usr.bin.totem usr.lib.dovecot.lmtp usr.sbin.dnsmasq root@debian:/etc/apparmor.d/local# touch usr.bin.thunderbird root@debian:/etc/apparmor.d/local# aa-disable usr.bin.thunderbird Disabling /etc/apparmor.d/local/usr.bin.thunderbird. root@debian:/etc/apparmor.d/local# cd ../disable root@debian:/etc/apparmor.d/disable# ls -alrt total 12 lrwxrwxrwx 1 root root 29 juin 30 12:13 usr.bin.totem -> /etc/apparmor.d/usr.bin.totem drwxr-xr-x 9 root root 4096 juil. 12 11:57 .. drwxr-xr-x 2 root root 4096 juil. 12 16:31 local drwxr-xr-x 3 root root 4096 juil. 12 16:31 . root@debian:/etc/apparmor.d/disable# cd local root@debian:/etc/apparmor.d/disable/local# ls -alrt total 8 lrwxrwxrwx 1 root root 41 juil. 12 16:31 usr.bin.thunderbird -> /etc/apparmor.d/local/usr.bin.thunderbird drwxr-xr-x 3 root root 4096 juil. 12 16:31 .. drwxr-xr-x 2 root root 4096 juil. 12 16:31 . root@debian:/etc/apparmor.d/disable/local# systemctl reload apparmor root@debian:/etc/apparmor.d/disable/local# systemctl status apparmor ● apparmor.service - AppArmor initialization Loaded: loaded (/lib/systemd/system/apparmor.service; enabled; vendor preset: enabled) Active: active (exited) since Wed 2017-07-12 13:29:05 CEST; 3h 6min ago Docs: man:apparmor(7) http://wiki.apparmor.net/ Process: 4821 ExecReload=/etc/init.d/apparmor reload (code=exited, status=0/SUCCESS) Process: 442 ExecStart=/etc/init.d/apparmor start (code=exited, status=0/SUCCESS) Main PID: 442 (code=exited, status=0/SUCCESS) juil. 12 16:02:19 debian systemd[1]: Reloaded AppArmor initialization. juil. 12 16:20:23 debian systemd[1]: Reloading AppArmor initialization. juil. 12 16:20:27 debian apparmor[4492]: Reloading AppArmor profiles:Skipping profile in /etc/apparmor.d/disable: usr.bin.thunderbird juil. 12 16:20:27 debian apparmor[4492]: Skipping profile in /etc/apparmor.d/disable: usr.bin.totem juil. 12 16:20:32 debian apparmor[4492]: . juil. 12 16:20:32 debian systemd[1]: Reloaded AppArmor initialization. juil. 12 16:34:54 debian systemd[1]: Reloading AppArmor initialization. juil. 12 16:34:59 debian apparmor[4821]: Reloading AppArmor profiles:Skipping profile in /etc/apparmor.d/disable: usr.bin.totem juil. 12 16:35:04 debian apparmor[4821]: . juil. 12 16:35:04 debian systemd[1]: Reloaded AppArmor initialization. Conclusion : it really needs to have a usr.bin.thunderbird in :/etc/apparmor.d/local