Comment 2 for bug 1808694

lsb_release -rc
Release: 18.04
Codename: bionic

When Itry in thunar or Libre Office send a fil over Kontext menu send to E-mail I recieve following error. forgivea maybe bad translation.

The default E-Mailprogram could not be startet. childprozes "/usr/lib/x86_64-linux-gnu/xfce4/exo-compose-mail-1" can not be execute (file or directory not found)

exo-open --launch MailReader works as expctected and starts thunderbird with some theme parsing errors.

dpkg --print-architecture
i386

No ppa includet in my Installation. apt-cache policy xfce4-session exo-utils
xfce4-session:
  Installiert: 4.12.1-3ubuntu3
  Installationskandidat: 4.12.1-3ubuntu3
  Versionstabelle:
 *** 4.12.1-3ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu bionic/universe i386 Packages
        100 /var/lib/dpkg/status
exo-utils:
  Installiert: 0.12.2-0ubuntu0.18.04.1
  Installationskandidat: 0.12.2-0ubuntu0.18.04.1
  Versionstabelle:
 *** 0.12.2-0ubuntu0.18.04.1 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages
        100 /var/lib/dpkg/status
     0.12.0-1 500
        500 http://archive.ubuntu.com/ubuntu bionic/universe i386 Packages

To reproduce

Start thunar select a file and ty to send to E-Mail in kontextmenu

With regards