Log Message:
Update "milter-greylist" package to version 3.0rc4.
Changes since version 2.1.2:
- DNSRBL support in ACL
- Per-ACL greylisting and autowhitelisting delays
- ACL blacklist feature
- Add support to use Sendmail macros in the ACL
- Allow rejecting by tempfail on blacklist configuration
- per-ACL SMTP error code and messages
- Multi-line statement in the config file
- Report matching ACL line number in the logs
- Lists for from, rcpt, domain, netblocks and DNSRBL
- Make log output consistent (Fredrik Pettai)
- Tell local connexions are non IP instead of non IPv4 (Attila Bruncsak)
- Faster ACL code
- Option to log expired entries (Jeff Rife)
- Cosmetic changes in debug logs (Fredrik Pettai)
- A lot of bug and build fixes

This fixes PR pkg/34793 by Eric Schnoebelen.