> a try to report a bug via mail against the package yaboot, > which is orphaned, shows no success. [...] > <submit@bugs.debian.org>: > 140.211.166.43_failed_after_I_sent_the_message./ > Remote_host_said:_550_Administrative_prohibition/ That's spohr.debian.org - either the BTS is borked, or someone left a broken forwarding address in the BTS. Report to the maintainer of the BTS, or DSA, at your choice. Michael