Djigzo是一个用来对传入的邮件进行解密以及传出的邮件进行 加密的邮件服务器(MTA)。Djigzo作为一般的SMTP邮件服务器，它可以与任何现有电子邮件基础设施一起使用，轻松地放在现有的电子邮件服务器之 前或之后。 Djigzo通常安装为“存储和转发”服务器。电邮因此只能暂时储存到它转交给它的最终目的地。 Djigzo目前支持两种加密标准：的S/MIME和PDF加密。
Djigzo offers open source products that help to automatically secure email and protect against unauthorized access of email in transit and at rest.
Djigzo Email Encryption Gateway is a standards based centrally managed email server (MTA) that encrypts and decrypts your incoming and outgoing email at the gateway level. Djigzo Email Encryption Gateway is compatible with any existing email infrastructure like Microsoft Exchange and Lotus Notes and has support for S/MIME and PDF encryption.
Data Leak Prevention (DLP) is a module that can be used to prevent certain information to leave the organization via email. DLP can configured to filter on credit card numbers, bank account numbers, excessive amounts of email addresses or other personal information in one email message, and more. DLP is implemented as a filter on outgoing email.
Djigzo for BlackBerry® is an add-on to the Djigzo Email Encryption Gateway which can be used to send and receive S/MIME digitally signed and encrypted email from a BlackBerry® smartphone.
Djigzo can be installed on most Linux and Unix based systems. Installation packages are available for Ubuntu, Debian, Red Hat and CentOS. A ready to run virtual appliance for VMware and Hyper-V is available.
2.0.0-7 (2011-03-07)发布说明：
New：
·Data leak prevention (DLP) module added.
·S/MIME strict mode.
·Locally generated notifications are now signed. If a locally generated notification is received by the gateway (for example because of email forwarding) the email is send as-is to prevent mail loops.
·DSN is now supported (DSN is transparently handled by the back-end).
·Header protection can be disabled (GATEWAY-13).
Improvement：
·workaround for non RFC compliant SKI support from Outlook 2010. For info why this workaround is needed see: Link 1 and Link 2.
·Javamail updated to 1.4.4 final.
下载地址：http://djigzo.com/downloads.html