It seems that your Computer was unable to resolv the DNS-Name(s). "Temporärer Fehlschlag beim Auflösen von »archive.ubuntu.com«"
Please check your DNS-Settings (/etc/resolv.conf) and test the DNS-Name with the "host" utility. -- Dovecot-common and dovecot-pop3d impossible to install via apt-get ant aptitude https://launchpad.net/bugs/85128 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs