[CentOS] sendmail and sudo [SOLVED]

m.roth at 5-cent.us wrote:
> This is annoying. I ssh to a server, then, it doesn't matter if I su - or
> sudo -s, I start a service (motion, if it matters), and when the service
> sends an email, it's from me, not from root, or the user the service runs
> as.
>
> I've dumped my environment, I've just dumped service's environment. I've
> set SUDO_USER to root, and SUDO_UID to 0, and restarted the service, and
> still no joy.
>
> My manager found this trick:
> echo "To: user
>
>
> help
> " | sendmail -t
>
> and the same thing happens.
>
> Anyone else run into this? No relevant google hits so far.
>
He got the answer, too, by running sendmail under strace: never mind
anything else, sendmail's getting the user from /proc/self/loginuid

Groovy....

        mark