Log Message:
Update to 3.0.2. From the changelog:

This release detects legitimate SMTP AUTH submission, to avoid
false positives on Dynablock-style rules. The URIDNSBL plugin has
been fixed to honor the uridnsbl_max_domains config option. Various
documentation and rule fixes. The ability to deal with 'rewrite_header
Subject' markup when no Subject header exists. 'make test' failure
on Solaris has been fixed.

pkgsrc changes:
* Use subst.mk in pre-configure, rather than post-patch, for easier
    regeneration of patches.

OK'd by heinz@.