exim4 in dlocate but can't get it yet

[Dan Jacobson <jidanni@dman.ddts.net>]

What's the deal with exim4?

# dlocate -l '.*exim[a-z]*4.*'
un  exim4              <none>             (no description available)
un  exim4-daemon-heavy <none>             (no description available)
un  eximdoc4-html      <none>             (no description available)
un  eximdoc4-info      <none>             (no description available)

# apt-get install  exim4
Reading Package Lists... Done
Building Dependency Tree... Done
Package exim4 has no available version, but exists in the database.
This typically means that the package was mentioned in a dependency and
never uploaded, has been obsoleted or is not available with the contents
of sources.list
E: Package exim4 has no installation candidate

OK, I see.  Any news then?
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