Ubuntu natty

Brand new Ubuntu Server Natty
apt-get update
W: GPG error: http://extras.ubuntu.com natty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
 
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 16126D3A3E5C1192
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv-keys 16126D3A3E5C1192
gpg: requesting key 3E5C1192 from hkp server keyserver.ubuntu.com
gpg: key 3E5C1192: public key "Ubuntu Extras Archive Automatic Signing Key <ftpmaster@ubuntu.com>" imported
gpg: Total number processed: 1
gpg:               imported: 1

apt-get update
Fetched 73 B in 1s (55 B/s)
Reading package lists... Done