[ingo] Ingo vacation message start with "-e" (backend procmail)

[Samuel Wolf]

Hi,

if i create my vacation message over Ingo the reply message content  
start with "-e".
For some reason the -e is in the reply message, but why?

[...]
-i"Content-Type: text/plain; charset=UTF-8" ; \
echo -e "Ich [...]
[...]

$backends['procmail']
procmail 3.22-25+deb9u1

Any idea?

Samuel