Security information for hostname on Trusty

[Colin Law]

On 7 August 2016 at 22:12, Andrew Langhorn <andrew at ajlanghorn.com> wrote:
> Hi
>
> I run Ubuntu 14.04 with Postfix installed which uses Amazon SES as a mail
> relay. I'm trying to work out why, when a fresh Amazon EC2 instance is
> provisioned, I get mail with the subject "*** Security information for
> <hostname> ***".
>
> I'd like to know:
>
> - what causes it,
> - what use it is to me, and
> - how to stop it in the most elegant and efficient manner
>
> A quick Google suggests it might be an outdated version of the Sudo package,
> but I'm running the latest available from the Canonical-supported mirrors in
> the eu-west-1 region.

Googling for
"Security information for"
led me to this
http://superuser.com/questions/284820/what-generates-this-message-security-information-for-hostname
which could be relevant

Colin