The postscreen daemon is now included with the stable release. postscreen now supports TLS and can log the rejected sender, recipient, and helo information. Support for DNS whitelisting and for pattern matching to filter the responses from DNS whitelist/blacklist servers was added. Improved message tracking across SMTP-based content filters; the after-filter SMTP server can log the before-filter queue ID. Read-only support for SQLite databases was added. Support for 'footers' that are appended to SMTP server "reject" responses was added.
