Postfix 2.8.0发布。Postfix 是一种电子邮件服务器，它是由任职于IBM华生研究中心（T.J. Watson Research Center）的荷兰籍研究员Wietse Venema为了改良sendmail邮件服务器而产生的。最早在1990年代晚期出现，是一个开放源代码的软件。
he 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.