When uploading my packages, I observe the following (here the linuxinfo example): helge@twentytwo:/scr/media/PACKAGES/current$ dput linuxinfo_4.2.3-1_amd64.changes Trying to upload package to ftp-master (ftp.upload.debian.org) Checking signature on .changes gpg: /scr/media/PACKAGES/current/linuxinfo_4.2.3-1_amd64.changes: Error checking signature from 41BAA526682AE670: SignatureVerifyError: 0 Checking signature on .dsc gpg: /scr/media/PACKAGES/current/linuxinfo_4.2.3-1.dsc: Error checking signature from 41BAA526682AE670: SignatureVerifyError: 0 Uploading to ftp-master (via ftp to ftp.upload.debian.org): Uploading linuxinfo_4.2.3-1.dsc: done. Uploading linuxinfo_4.2.3.orig.tar.xz: done. Uploading linuxinfo_4.2.3.orig.tar.xz.asc: done. Uploading linuxinfo_4.2.3-1.debian.tar.xz: done. Uploading linuxinfo_4.2.3-1_amd64.buildinfo: done. Uploading linuxinfo_4.2.3-1_amd64.changes: done. Successfully uploaded packages. The upload was accepted into unstable without problems. Note that I build in an up-to-date unstable chroot, but upload on stable (currently).