I've started to get emails that would typically come from root@server.com as nonroot@server.com. These emails come from services that send out emails (backup programs) directly, or from cronjobs.

I've logged in as the non-root account and either sudo su - or su - to root and the restart the service at one point or another. If I login directly as root and bounce the service or cron the emails come across as from root.

I don't see anything in my environment variables after I su to indicate what would cause this. I'm not sure where else to look? A pam setting? This seems to have happened between Fedora 10 and 14 (did a bunch of overdue upgrades recently) I've only got Fedora so I don't have anything to compare to. In Fedora 10 I did not have this problem.

Any thoughts on what to look at?

There doesn't seem to be anything wrong and this is at most a minor annoyance and means some email filter rules aren't applied, but I'd still like to know what's happening.

were these new clean installes to 14
or did you use "upgrade " to go from 10 to 11 then to 12 then to 13 .....

if so
do a 100% clean NEW install after reformating the drive to ext3 for fedora 14
but i would format to the current ext4 and install fedora 15

then see if this still happens .

"upgrade" and "preupgrade" are Experimental - at best

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The boxes have been upgraded from various Fedora versions. I really can't believe you are giving me the Windows answer of 'reformat, re-install' on a linux community and there are a variety of reasons why that's a bad idea so solve such a minor issue.

Does someone know if this is an environment variable or something similar that might cause this? I've been unable to track that down as when I su - to root or sudo i don't see anything that is tied to the normal user session in the root shell.