• Update mail/mailfromd' to version 8.1.90 (this is actually required to unbreak the port against recent mail/mailutils')
• Amend MASTER_SITES to allow fetching both stable and alpha releases
• Install configuration file as @sample to avoid overwriting existing one
• Tighten permissions on ${DATABASEDIR} and ${MFD_RUN_DIR}
• Make port description text more detailed and accurate

Submitted by: maintainer