# export mailer for  xdg-email
if [ -x /usr/bin/lxde-logout ]; then
    [ -x /usr/bin/sylpheed ] && MAILER=/usr/bin/sylpheed
    [ -x /usr/bin/icedove ] && MAILER=/usr/bin/icedove
    [ -x /usr/bin/thunderbird ] && MAILER=/usr/bin/thunderbird
    [ -n "$MAILER" ] && export MAILER
fi