Log Message:
import of exim3-3.36 from pkgsrc-wip.

originally this package was taken from the netbsd-1-5-PATCH003 tag,
and a number of updates have been made to it:

- updated to 3.36.
- added security patch from
    http://www.exim.org/pipermail/exim-announce/2003q3/000094.html
- use a variety of new pkgsrc features for installing configuration files,
  creating directories, rc scripts, etc.
- added mysql and postgresql support.
- other general nits/fixes.

exim3 is still widely used by a large number of sites, and this package
has been added again to support existing installations.