GnuPG signature check failed on dovecot_1.2.13-1~bpo50+1_armel.changes gpg: Signature made Mon Aug 16 18:05:49 2010 CEST using RSA key ID 76E2AC7B gpg: Can't check signature: public key not found (Exit status 2) dovecot_1.2.13-1~bpo50+1_armel.changes has bad PGP/GnuPG signature! Removing dovecot_1.2.13-1~bpo50+1_armel.changes, but keeping its associated files for now. Greetings, Your Debian queue daemon