Hi all,
When trying to update my server (either by apt-get or via virtualmin interface):
Reading package lists... Done
W: GPG error: http://software.virtualmin.com virtualmin-lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E8DD3FA0A0BDBCF9
W: GPG error: http://software.virtualmin.com virtualmin-universal Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E8DD3FA0A0BDBCF9