Setting the sticky bit on /var/mail...

[Mike Maltese]

> Absolutely you are correct, and the crowd goes wild with
> applause...thank you.
>

Glad it helped. =)

> I suppose it would be nice to know what set all of the following on
> /var/mail:
>
> opaque nodump uappnd uchg uunlnk
>
> because it sure wasn't me.
>
> Removing them allowed me to set the appropriate bit. Thanks again.

That strikes me as really strange. Any chance another user did this or that
the box was compromised? It seems to be no small coincidence that all the
flags you listed are the ones that don't require root privileges.