In this book you'll learn the technology underlying secure e-mail systems, from the protocols involved to the open source software packages used to implement e-mail security. This book explains the secure MIME (S/MIME) protocol and how it is used to protect data transmitted across the Internet. It also explains the concepts crucial to stopping spam messages using the three most popular open source mail packages--sendmail, qmail, and postfix. It presents detailed configurations showing how to avoid accepting messages from known open relays and how to filter known spam messages. Advanced security topics are also covered, such as how to install and implement virus scanning software on the mail server, how to use SMTP authentication software, and how to use the SSL protocol to secure POP, IMAP, and WebMail servers.

*Pro Open Source Mail: Building An Enterprise Mail Solution is the first book to cover development and deployment of an enterprise mail server environment *Authored by Curtis Smith, a system administrator with more than five years of experience managing mail environments *Shows readers how to filter spam using the popular SpamAssassin open source project and how to stop viruses using the MailScanner, Amavis, and ClamAV projects

Three separate e-mail server packages are discussed: sendmail, qmail, and Postfix. Each security topic provides hands-on examples using each of the three e-mail packages. The book primarily focuses on providing instructions for Internet Service Providers (ISPs) and small corporate network administrators for configuring Open Source e-mail packages to provide secure e-mail services to customers. Additional information educates the reader on basic e-mail principles and protocols.

Your essential, no-holds-barred guide to Mac security threats and solutions Myth number one: Macs are safer than PCs. Not really, says author Joe Kissell, named one of MacTech's "25 Most Influential People" in the Mac community for 2008. In this timely guide, he not only takes you beyond the myths, he also delves into the nitty-gritty of each potential threat, helping you weigh the pros and cons of the solutions you might choose. Learn to measure risk versus inconvenience, make informed decisions, and protect your Mac computers, your privacy, and your data with this essential guide. Explains the security threats to Macs, including data in transit from your e-mail or network, and malware such as viruses, worms, and Trojan horses; these threats, formerly the exclusive worry of PC users, now increasingly threaten Macs Explores physical security and hardware barriers, software settings, third-party solutions, and more Shows Mac OS X users how to develop and enforce security policies Covers security for Windows running on a Mac with Boot Camp, virtualization software such as Parallels Desktop or VMware Fusion, and more Learn the full range of options you need to consider to make your Mac safe. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

This book presents the most interesting talks given at ISSE 2004 - the forum for the interdisciplinary discussion of how to adequately secure electronic business processes. The topics include: Corporate Governance and why security implies to control the enterprise - Risk Management and how to quantify security threats - Secure Computing and how it will change the way we trust computers - Digital Rights Management and the protection of corporate information. Adequate information security is one of the basic requirements of all electronic business processes. It is crucial for effective solutions that the possibilities offered by security technology can be integrated with the commercial requirements of the applications. The reader may expect state-of-the-art: best papers of the Conference ISSE 2004.

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The need for information security management has never been greater. With constantly changing technology, external intrusions, and internal thefts of data, information security officers face threats at every turn. The Information Security Management Handbook on CD-ROM, 2006 Edition is now available. Containing the complete contents of the Information Security Management Handbook, this is a resource that is portable, linked and searchable by keyword. In addition to an electronic version of the most comprehensive resource for information security management, this CD-ROM contains an extra volume's worth of information that is not found anywhere else, including chapters from other security and networking books that have never appeared in the print editions. Exportable text and hard copies are available at the click of a mouse. The Handbook's numerous authors present the ten domains of the Information Security Common Body of Knowledge (CBK) ®. The CD-ROM serves as an everyday reference for information security practitioners and an important tool for any one preparing for the Certified Information System Security Professional (CISSP) ® examination. New content to this Edition: Sensitive/Critical Data Access Controls Role-Based Access Control Smartcards A Guide to Evaluating Tokens Identity Management-Benefits and Challenges An Examination of Firewall Architectures The Five "W's" and Designing a Secure Identity Based Self-Defending Network Maintaining Network Security-Availability via Intelligent Agents PBX Firewalls: Closing the Back Door Voice over WLAN Spam Wars: How to Deal with Junk E-Mail Auditing the Telephony System: Defenses against Communications Security Breaches and Toll Fraud The "Controls" Matrix Information Security Governance