GnuPG signature check failed on collectd_4.9.1-2~bpo50+1_i386.changes gpg: Signature made Sat Apr 3 19:48:27 2010 CEST using RSA key ID 8313B5F0 gpg: Can't check signature: public key not found (Exit status 2) collectd_4.9.1-2~bpo50+1_i386.changes has bad PGP/GnuPG signature! Removing collectd_4.9.1-2~bpo50+1_i386.changes, but keeping its associated files for now. Greetings, Your Debian queue daemon