This is the Fedora variant of bug 4715. LSB says that /usr/sbin/sendmail should be present:
However, Red Hat has decided to remove it:
File a bug with Red Hat for this. Possibly both for Fedora and RHEL depending on what's affected.
redhat-lsb of RHEL 7 does not pull in /usr/sbin/sendmail, but even a minimal installation of RHEL 7 includes Postfix which provides a sendmail binary. This is thus only a problem if the administrator has removed Postfix from their system without installing another MTA. I'm considering that this is good enough for us.
A minimal Fedora 20 installation does not include Postfix or any other MTA that provides /usr/sbin/sendmail, and suffers from the same bug in redhat-lsb.
I've reported the bug in Fedora as https://bugzilla.redhat.com/show_bug.cgi?id=1133536.
(In reply to comment #0)
> However, Red Hat has decided to remove it:
That bug is quite cryptic and I'm starting to believe that it shouldn't have been closed. I could find no changes made to the Fedora redhat-lsb.git repo between the time of the bug being reported and it being closed.
Looks like the Red Hat people are fixing this ASAP, for both Fedora and RHEL. Great!