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Microsoft Exchange Server
Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5. Exchange initially used the X.400 directory service but switched to Active Directory later. Until version 5.0, it came bundled with an email client called Microsoft Exchange Client. This was discontinued in favor of Microsoft Outlook. Exchange Server primarily uses a proprietary protocol called MAPI to talk to email clients, but subsequently added support for POP3, IMAP, and EAS. The standard SMTP protocol is used to communicate to other Internet mail servers. Exchange Server is licensed both as on-premises software and software as a service (SaaS). In the on-premises form, customers purchase client access licenses (CALs); as SaaS, Microsoft charges a monthly service fee instead. History Microsoft had sold ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Microsoft Exchange (2019-present)
Microsoft Exchange Server is a mail server and calendaring software, calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5. Exchange initially used the X.400 directory service but switched to Active Directory later. Until version 5.0, it came bundled with an email client called Microsoft Exchange Client. This was discontinued in favor of Microsoft Outlook. Exchange Server primarily uses a proprietary protocol called MAPI to talk to email clients, but subsequently added support for Post Office Protocol, POP3, Internet Message Access Protocol, IMAP, and Exchange ActiveSync, EAS. The standard Simple Mail Transfer Protocol, SMTP protocol is used to communicate to other Internet mail servers. Exchange Server is licensed both as on-premises software and software as a service (SaaS). In the on-premises form, customers purchas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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On-premises Software
On-premises software (abbreviated to on-prem, and often written as "on-premise") is installed and runs on computers on the premises of the person or organization using the software, rather than at a remote facility such as a server farm or cloud. On-premises software is sometimes referred to as " shrinkwrap" software, and off-premises software is commonly called "software as a service" ("SaaS") or "cloud computing". The software consists of database and modules that are combined to particularly serve the unique needs of the large organizations regarding the automation of corporate-wide business system and its functions. Comparison between on-premises and cloud (SaaS) Location On-premises software is established within the organisation's internal system along with the hardware and other infrastructure necessary for the software to function. Cloud-based software is usually served via internet and it can be accessed by users online regardless of the time and their location. Un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Hiri (email Client)
Hiri was (now defunct) a business focused desktop e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks. It was developed as an alternative to existing e-mail clients and calendar applications such as Microsoft Outlook and Mozilla Thunderbird. Although Hiri was developed actively with many releases in primarily 2017 and the first half of 2018, there have been no new releases and no active development anymore since August 2018. Also, Hiri Suggestions, a dedicated subdomain for acquiring new ideas for development, has not received replies from the development since last year. Hiri uses the cross-platform Qt (software), Qt framework to run on Windows, macOS and Linux. Hiri does not support IMAP and only uses Microsoft Exchange Server infrastructure. Hiri has been funded by Telefonica, Delta Partners, ACT Venture Capital, Enterprise Ireland and Angel investors Facebook and LinkedIn. In March 2017, Hiri began charging a subscription service ($39 yea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Evolution (software)
GNOME Evolution (formerly Novell Evolution and Ximian Evolution, prior to Novell's 2003 acquisition of Ximian) is the official personal information manager for GNOME. It has been an official part of GNOME since Evolution 2.0 was included with the GNOME 2.8 release in September 2004. It combines e-mail, address book, calendar, task list and note-taking features. Its user interface and functionality is similar to Microsoft Outlook. Evolution is free software licensed under the terms of the GNU Lesser General Public License (LGPL). Features Evolution delivers the following features: * E-mail retrieval with the POP and IMAP protocols and e-mail transmission with SMTP * Secure network connections encrypted with SSL, TLS and STARTTLS * E-mail encryption with GPG and S/MIME * Markdown e-mail formatting * E-mail filters * Search folders: saved searches that look like normal mail folders as an alternative to using filters and search queries * Automatic spam filtering with SpamAss ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Remote Procedure Call
In distributed computing, a remote procedure call (RPC) is when a computer program causes a procedure (subroutine) to execute in a different address space (commonly on another computer on a shared computer network), which is written as if it were a normal (local) procedure call, without the programmer explicitly writing the details for the remote interaction. That is, the programmer writes essentially the same code whether the subroutine is local to the executing program, or remote. This is a form of server interaction (caller is client, executor is server), typically implemented via a request–response message passing system. In the object-oriented programming paradigm, RPCs are represented by remote method invocation (RMI). The RPC model implies a level of location transparency, namely that calling procedures are largely the same whether they are local or remote, but usually, they are not identical, so local calls can be distinguished from remote calls. Remote calls are usually o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Proprietary Protocol
In telecommunications, a proprietary protocol is a communications protocol owned by a single organization or individual. Intellectual property rights and enforcement Ownership by a single organization gives the owner the ability to place restrictions on the use of the protocol and to change the protocol unilaterally. Specifications for proprietary protocols may or may not be published, and implementations are not freely distributed. Proprietors may enforce restrictions through control of the intellectual property rights, for example through enforcement of patent rights, and by keeping the protocol specification a trade secret. Some proprietary protocols strictly limit the right to create an implementation; others are widely implemented by entities that do not control the intellectual property but subject to restrictions the owner of the intellectual property may seek to impose. Examples The Skype protocol is a proprietary protocol. The Venturi Transport Protocol (VTP) is a pat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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EA/SA
EA/SA (Enterprise Agreement/Software Assurance) is a volume licensing package offered by Microsoft. It primarily targets large organizations which have 500 or more personal computers. The minimum quantity was increased from 250 to 500 on 1 July 2016, but it remains at 250 for public sector customers.Microsoft, Inc.Enterprise Agreement accessed 17 June 2018 Other programs, including Open Value, Open License and Select License, are geared towards smaller organizations. The Enterprise Agreement, whose price is tiered to the number of computers or users being licensed, is a three-year contract which covers all software licensing and updates for one client system. An option is given at contract termination to renew for one or three additional years. Software products licensed under the contract include Windows 10, Microsoft Office and the core Client Access Licenses for Windows Server, Exchange, System Center and SharePoint, which allow the computer to legally access Microsoft serve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Log Shipping
Log shipping is the process of automating the backup of transaction log files on a primary (production) database server, and then restoring them onto a standby server. This technique is supported by Microsoft SQL Server, How to Perform SQL Server Log Shipping , "What is Log Shipping". Retrieved on 2008-12-16. 4D Server, , and . Similar to [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Single Point Of Failure
A single point of failure (SPOF) is a part of a system that would Cascading failure, stop the entire system from working if it were to fail. The term single point of failure implies that there is not a backup or redundant option that would enable the system to continue to function without it. SPOFs are undesirable in any system with a goal of high availability or Reliability engineering, reliability, be it a business practice, software application, or other industrial system. If there is a SPOF present in a system, it produces a potential interruption to the system that is substantially more disruptive than an error would elsewhere in the system. Overview Systems can be made robust by adding Redundancy (engineering), redundancy in all potential SPOFs. Redundancy can be achieved at various levels. The assessment of a potential SPOF involves identifying the critical components of a complex system that would provoke a total systems failure in case of wikt:malfunction, malfunction. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Windows Server Domain
A Windows domain is a form of a computer network in which all user accounts, computers, printers and other security principals, are registered with a central database located on one or more clusters of central computers known as domain controllers. Authentication takes place on domain controllers. Each person who uses computers within a domain receives a unique user account that can then be assigned access to resources within the domain. Starting with Windows Server 2000, Active Directory is the Windows component in charge of maintaining that central database.Northrup, Tony''Introducing Microsoft Windows 2000 Server'' Microsoft Press, 1999. The concept of Windows domain is in contrast with that of a workgroup in which each computer maintains its own database of security principals. Configuration Computers can connect to a domain via LAN, WAN or using a VPN connection. Users of a domain are able to use enhanced security for their VPN connection due to the support for a cert ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Windows 2000
Windows 2000 is a major release of the Windows NT operating system developed by Microsoft, targeting the server and business markets. It is the direct successor to Windows NT 4.0, and was Software release life cycle#Release to manufacturing (RTM), released to manufacturing on December 15, 1999, and then to retail on February 17, 2000 for all versions, with Windows 2000 Datacenter Server being released to retail on September 26, 2000. Windows 2000 introduces NTFS 3.0, Encrypting File System, and basic and dynamic disk storage. Support for people with disabilities is improved over Windows NT 4.0 with a number of new Assistive technology, assistive technologies, and Microsoft increased support for different languages and Locale (computer software), locale information. The Windows 2000 Server family has additional features, most notably the introduction of Active Directory, which in the years following became a widely used directory service in business environments. Although not pre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Lightweight Directory Access Protocol
The Lightweight Directory Access Protocol (LDAP ) is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network. Directory services play an important role in developing intranet and Internet applications by allowing the sharing of information about users, systems, networks, services, and applications throughout the network. As examples, directory services may provide any organized set of records, often with a hierarchical structure, such as a corporate email directory. Similarly, a telephone directory is a list of subscribers with an address and a phone number. LDAP is specified in a series of Internet Engineering Task Force (IETF) Standard Track publications known as Request for Comments (RFCs), using the description language ASN.1. The latest specification is Version 3, published aRFC 4511ref name="gracion Gracion.com. Retrieved on 2013-07-17. (a road map to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |