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   Exchange mail system
    Microsoft Exchange Server 2010 by providing simple management, and help protect the communication function to achieve a new level of reliability and performance to meet the demand for business mobility, communication, economic and flexible. Microsoft Exchange is the Microsoft unified communications solutions based on need rich, the ideal choice for the efficient collaboration of organizations. The latest version of Exchange can control deployment, management and compliance costs, thereby helping enterprises to improve performance. Exchange provides a wide range of deployment options, integrated information leakage protection and compliance capabilities, together form the best messaging and collaboration solutions.
    Flexible and reliable
    In response to changing business conditions, the pressure to optimize their IT infrastructure requirements to remain flexible, the Exchange Server 2010 can be flexible according to the unique needs of custom deployment, and provides a simple way to help the user can always use e-mail.
    Select the internal deployment of Exchange Server 2010, Microsoft hosted Exchange Online service, or the perfect combination of both. Microsoft software plus services, is committed to ensuring flexibility and powerful features, the time required to master the full use of on-premise and hosted service options, do not interrupt or change the user experience.
    1.1 storage
    Exchange Server in the past and now offers a wealth of storage hardware options than any other solution. These options include the traditional storage area network (SAN) to low-cost desktop-class direct-attached storage (DAS). The latest version of the Exchange mailbox database of continuous innovation means that the disk IOPS (per second input / output) than the Exchange Server 2007 up to 50% reduction, and enhanced recovery of function when the data corruption.
    Exchange2010 on the improvement of performance, reliability and high availability so that enterprises running Exchange in a variety of storage options. The latest version of the Exchange to establish introduced in Exchange 2007, disk input / output (IO) to improve on top of reducing the requirements for storage performance, and inclusive of storage failure.
    Exchange Server 2010 storage improvements made to the Exchange storage options, including the use of Serial Advanced Technology Attachment (SATA) hard and non-economic disk redundant array (RAID) configuration. Whether administrators choose SAN, direct connection or JBOD storage, Exchange can help them to lower the cost of larger mailboxes, without sacrificing system availability.
    The features include: reducing the IO, SATA disk optimization, automatic page repair.
    1.2 high availability and disaster recovery
    Built on top of the investment prior to Exchange 2007 continuous replication technology, combined with enhanced maintenance tools for a simplified high availability and disaster recovery to help users achieve new levels of reliability and reduce the complexity of business continuity.
    With the constantly increasing importance of e-mail in the workplace, IT departments to bear to avoid disruption to your email is also stepping up the pressure and loss of data. To help meet this demand, the Exchange Server 2010 reduce the cost and complexity of the deployment of e-mail solutions, providing a higher level of server availability and site recovery capabilities. Exchange 2010 new high-availability architecture above the establishment of the native replication capabilities introduced in Exchange Server 2007 provides a simplified, unified framework for high availability and disaster recovery. Thus greatly extending the end-user uptime, and improve the administrator's freedom, and reduce the organization's assets and operating costs.
    Functional Description
    Database availability groups: one group mailbox server, use continuous replication to provide a variety of failures (disk level, server level, data center-class) automatic recovery.
    Database-level failover: the Exchange Server Database Availability Groups provide automatic failover at the database level, the complexity of traditional clustering. Database-level disruption (such as disk failure) will not affect all users on the server. Between the database and server is no longer closely tied up, so when a disk failure, you can easily move between database copies. This change, coupled with faster failover time (30 seconds), significantly improves the organization's overall uptime.
    Improved Site Resiliency: Exchange Server database availability group by simplifying the process of data replication between data centers extended to the site failover, so that the implementation of site recovery easier. Log files are also compressed to shorten the transmission time and reduce network bandwidth use.
    Easier Deployment: Administrators can add high availability to their Exchange environment after initial deployment, without reinstalling the server. Small organizations can deploy a simple two-server configuration to provide full redundancy of mailbox data, as well as Client Access and Hub Transport roles. These changes make the past the high availability of the enterprise is impossible now at your fingertips.
    Integrated cluster management: the Exchange Server Database Availability Groups feature automatic failover, but simpler than a traditional cluster. Windows Cluster mature integrated with Exchange and is transparent to the administrator. Administrators no longer need to master clustering concepts or deal with separate management tools to make the entire enterprise-class uptime.
    Free backup and support: the Exchange Server Database Availability Group architecture allows log file replay, so administrators do not need tape to perform point in time database recovery. Organizations can fully rely on its high-availability infrastructure rather than a tape backup to recover from failures, and can significantly reduce its operating costs.
    Transport Resiliency: Transport server in Exchange Server 2010 has built-in protection, disk or server failure caused loss of message queues. Server to retain the item after the next hop in the organization "shadow" copy of each mail item delivery. If the subsequent hop fails before reporting successful delivery, the message will re-submit a different path.
    Online Mailbox Moves: Administrators can move mailboxes between databases, users do not need offline. Transfer during the same time, users can connect to their mailbox, send and receive messages. This allows the administrator to working time flexibility to implement system maintenance tasks without having to wait until the night or on weekends.
    1.3 Management
    Alleviate the burden on the desk and businesses is an important way to accomplish more tasks and reduce costs. Therefore, we have a destination to invest in new self-service capabilities, designed to help users perform common tasks without having to call to the desk.
    Exchange Server 2010 management tools to establish the above improvements in the management of Exchange Server 2007 done, to provide users with a new self-service capabilities so that they can better control their messaging, no need to seek the help desk frequently asked questions answer or quick fix tool. Compliance specialists can perform multi-mailbox search engine and the results exported to a PST file for legal discovery. The user can view their mail sent to business partners has been successfully received, or blocked by spam filters. Exchange 2010 management tools to provide role-based management model, the user can delegate tasks, thereby reducing the burden of IT professionals.
    The features include: role-based access control, the Exchange Control Panel, needs to review the distribution group, the message tracking.
    Mobile office
    Corporate success depends on the delivery of technology solutions to improve the ability of user productivity and efficiency. Exchange Server 2010 supports industry standard protocols user to virtually any platform, Web browser or device to secure access to all communications - such as e-mail, voice mail, instant messaging and so on. Users every day to conduct business through their inbox. For many organizations, Exchange is the basis of the universal inbox.
    Exchange enhancements in the latest version of the function allows users to communicate from a position of access so that they can easily collaborate with colleagues and business partners. The daily flow of information out of personal inbox may lead to overload and affect the productivity and profitability. Exchange 2010 adds new productivity features to help users organize the communication in their inbox and to determine its priority.
    2.1 the Outlook Web Access
    In the past decade, the needs of business communications through the Web to obtain growth, because employees anytime, anywhere access to e-mail. User to select different platforms to access the Internet, and always face different forms of communication (such as IM, e-mail, voice mail, RSS feeds, SMS, etc.) of new technologies, the need to manage the growing overall amount of information.
    Exchange Server has always provided the most advanced technology to help users to manage their received messages. AJAX technology (based on the introduction of modern Web applications based) to voice mail and e-mail and other modes of communication, integration, Exchange to help users manage a lot of communication and to integrate them can be accessed from any location on the Internet Universal Inbox.
    Exchange Server 2010 allows users to integrate their e-mail in one place and through any major Web browser, voice mail, instant messaging, text messaging, etc., in order to continue the innovation cycle. Outlook Web Access, users access to a rich Outlook experience on the Web, enabling them to communicate in the session environment, not just scattered mail, to help them deal with the large number of messages received every day.
    Workspace only gone through the days of the e-mail communications. Exchange Server 2010 by displaying the state data, so users can view other people are at your computer, so should send e-mail, make phone calls, send instant messages or send text messages, which can be done directly in OWA. Users can communicate through the most convenient way to receive all messages in a position to facilitate the retrieval, archiving and searching.
    Features include: Conversation view, multi-browser support, single-page message, the nickname cache, filter, search, view shared calendars and contacts, view / set the status of instant messaging (IM), SMS sync.
    2.2 mobile devices
    Mobile e-mail communication has become a way of life of most of the businesses and employees. Therefore, IT administrators must access the mail system to protect these data to prevent the mobile device is lost or stolen strike a balance between
    Exchange Server 2010, mobile users can access to the SMS text messages from the Inbox, e-mail, voice mail, and the preservation of instant messaging (IM) conversations and other messages.
    IT administrators can block / allow lists to control the equipment connected to the network. The list to ensure that only approved devices to connect to the mail service data, and can continue to provide a variety of support Exchange ActiveSync equipment.
    Exchange Server 2010 built-in mobile access capabilities. Users to third-party providers do not have to purchase additional server and client access license (CALs), or management of other stand-alone system for mobile access.
    The features include: Conversation view free / busy query nickname cache synchronization SMS, reply status can be installed on the client.
    2.3 Voice Mail and Unified Messaging
    Daily employee will use a variety of communication tools, traditional voice mail is still the most important for global organizations. Independent of the user's unified communications solutions for investment to operate a traditional voice mail system will be unnecessary costs and increase the complexity faced by the user. With Exchange 2010, users can be integrated into the core of the communications platform unified solution to replace traditional voice mail system. This new system will enable users to receive voicemail in your inbox. They can make use of familiar tools of Office Outlook and Outlook Web Access, manage those voice mail like e-mail.
    Communication technology has been rapid change. More and more organizations are trying to move staff to more effectively manage voice mail. IT administrators increasingly need to secure familiar way to provide access to Unified Messaging, in order to optimize production efficiency and reduce management costs.
    In order to meet the demand and reduce costs, the Exchange Server 2010 Unified Messaging provides users with unprecedented flexibility. Compared with traditional voice mail system, the Exchange Server 2010 can e-mail and voice mail integrated into the same Inbox, to help improve the efficiency of daily work. Unified Messaging to provide users with a unique and powerful new way, so that they can access their information via phone, computer or mobile device.
    Exchange Server 2010 Unified Messaging allows users to:
    Preview the speech to text conversion function through voice mail, voice mail arrives immediately to voice mail classification, so that in case there is no phone or computer speaker quickly and effectively deal with voice mail.
    From one platform to manage both voice mail and e-mail system.
    · End-users can create your own custom greetings and individual call transfer options.
    Use scripting commands to easily create custom workflow to manage Unified Messaging.
    Build a highly available and reliable Unified Messaging infrastructure to meet the needs of the organization.
    Wait for the indicator light on the user's phone messages in a new voice mail arrives.
    The features include: voice mail preview, protected voice mail message-waiting indicator (MWI), auto attendant, call answering rules, Outlook Voice Access, language support.
    Protection and regulatory compliance
    Subject to strict regulatory environment, and effectively keep business records is becoming increasingly important in the current. Including e-mail, such information has rapidly become the main source of data in legal discovery and other compliance-related investigations.
    3.1 archiving and retention
    For compliance management e-mail has become the top priority of most enterprises. With the number of e-mail beyond the inbox storage limits, users are often forced to these messages from the e-mail server in the form of PST (Personal Storage) files transferred to the PC and portable computer. This led to the isolation of the e-mail, it is difficult to meet compliance requirements to manage and search.
    In order to solve this PST problem and reduce the compliance burden, the Exchange 2010 provides a new integrated e-mail archiving and retention functions, including precise multi-mailbox search and immediate law to maintain. The functionality and the flexibility provided by the Exchange storage architecture can improve the control of corporate information to provide users with a smooth experience, and consistent day-to-day management of the inbox.
    As the number of e-mail within the organization continued to grow, the system to archive this information has become increasingly urgent. The archive can save the user's mailbox space, which improves performance, to provide users with a better email experience. The archive also enables organizations to easily manage and search e-mail, to help organizations meet regulatory compliance and legal electronic discovery requirements. To meet these demands, the Exchange Server 2010 now offers the new archive feature, combining with other enhanced mailbox management features, including Multi-Mailbox Search and fine retention policy, the law remains to provide a comprehensive solution. These built-in features easy to use and deploy, can help organizations reduce the reliance on an independent archiving solutions and simplify the legal and compliance processes.
    The features include: personal archive and retention policies, multi-mailbox search, legal hold.
    3.2 Information Protection and control
    Despite every effort, every day, sensitive corporate information processing unintentional errors may occur. In addition, unauthorized persons access to sensitive data unprotected. The face of increasing regulations related to the supervision of customers and employees personal information, these issues have become increasingly urgent.
    Exchange 2010 through the centralized management control functions can easily improve the protection of the users of corporate communications and e-mail. Including the effective interception, review, encryption and the ability to prevent e-mail. Whether you want to automatically enforce control, or to support the user to implement their own data protection, this feature will provide users with a rich and flexible protection and control options.
    E-mail has greatly improved our ability to share information, but also increased the distribution of accidents and the risk of unauthorized access to sensitive information. Faced with the ever-increasing laws and regulations for the protection of customers and employees personal information, this problem has become particularly acute. In order to better control by e-mail distribution of information, the Exchange 2010 at the top of a very comprehensive series of information protection and control functions to be more effective interception, manage, encrypt and block e-mail. These features combine to provide administrators with a wider range of control options, regardless of whether the user is active control through automated policy e-mail, or to provide users with alerts and tools to help them better manage their own information protection practices.
    The features include: transport protection rules, the Outlook Web Access (OWA) in support of IRM, the Outlook protection rules, the transmission decryption, expanding transport rule conditions, e-mail alerts, management, dynamic signature.
    4 e-mail system architecture design case 1
    · Deployment of Exchange server, to achieve high availability deployment architecture.
    Consider the problem of remote physical disaster, the four Exchange servers were placed in two IDC room, each IDC room were placed on an Exchange front-end and Exchange back-end.
    · Front-end server to install the Client Access and Hub Transport roles, usually only one CAS in operation, all database access through which a CAS is only due to physical damage and other damage to the case in the use of the CAS, mailbox access to the database will switch to another CAS server.
    · Back-end server to install the mailbox role configured Exchange DAG (database high availability group) on the basis of two back-end server cluster based on Windows Server 2008 R2 Enterprise Edition system, back-end servers to achieve high availability and failover of the database level.
    Background storage is divided into two RAID groups, respectively, to provide two back-end server to connect to use
    · Back-end servers based on the requirements of the company to create multiple databases, and a copy of the corresponding database for the database on the server in the DAG group members, to achieve a database a main equipment, in order to achieve high availability for Exchange back-end server
    Exchange two front-end server to install ForeFront anti-spam.

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