Some addition, as my previous post is misleading: The root cause is the underlying sox.
With the stable version (12.17.9-1) everything is ok. Using the testing version (13.0.0-1+b1) the problem occurs. Unless this is an issue with changed parameters, this may be sox bug. Regards, Jörg
smime.p7s
Description: S/MIME Cryptographic Signature
