For me the installation of libnss-myhostname as a Recommends of gnome-control-center broke local mail delivery to a smart host using aliases in /etc/aliases and exim. Purging libnss-myhostname fixes the problem.
Interesting is that the position of myhostname in the following ~$ grep myhostname /etc/nsswitch.conf hosts: files myhostname mdns4_minimal [NOTFOUND=return] dns mdns4 ~$ contradicts the recommendation in /usr/share/doc/libnss-myhostname/README.gz: It is recommended to put myhostname last in the nsswitch.conf line to make sure that this mapping is only used as fallback, and any DNS or /etc/hosts based mapping takes precedence. Regards, Felix -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org