Things to add to the release notes for the next full release:

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NEW FEATURES
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- builds use OpenSSL if available.
- post now defaults to port 587 on 'smtp' message submission.

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OBSOLETE FEATURES
-----------------

- The undocumented -queue switch to post was deprecated in nmh 1.6, and was
  removed in this release.
- conflict(8) was deprecated in nmh 1.6, and was removed in this release.
- mhtest(8) was deprecated in nmh 1.6, and was removed in this release.
- msh(1) was deprecated in nmh 1.6, and was removed in this release.
- Support in alias files for the the "*" address-group (everyone) was
  deprecated in nmh 1.6, and was removed in this release.

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DEPRECATED FEATURES
-------------------

- Support for the MHPDEBUG environment variable is deprecated and will be
  removed from a future nmh release.  Instead, use the -debug switch to pick.

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BUG FIXES
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