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2012年12月03日 ⁄ 综合 ⁄ 共 9495字 ⁄ 字号 评论关闭
Sender Policy Framework in MDaemon 7.1+

Email address spoofing enables the widespread proliferation of spam and viruses while hiding the true identities of those responsible. Spoofers use email addresses of other people without their permission or knowledge. In this way, anyone can send email pretending to be anyone else. Beginning with version 7.1, MDaemon offers SPF as one of its security options. Sender Policy Framework (SPF) is an open standard security protocol designed to detect spoofed email addresses. SPF can process the incoming email prior to downloading the message, therefore, saving you processing time and bandwidth.

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Address Book Sync

Deploying a common address book for all users within an email domain provides the advantage of consistent information and the efficiency of centralized maintenance. The application-specific address books for Mircosoft Outlook and Outlook Express often work against sharing information with other software packages. For its WorldClient web mail service, MDaemon 6.5 addresses this problem by using industry-standard XML technology for global address books. By using MDaemon’s free ComAgent tool, each Windows users can synchronize their personal contact information between their Outlook (MAPI) or Outlook Express (WAB) address book and the XML address book. This means the contact information for their Windows-based email client and the web-based WorldClient are the same.

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Calendaring Group Scheduling

The MDaemon Calendar combines the functions of a personal calendar and a wall calendar in one package, only it's better than both. Because this software calendar is convenient and easy to use, it is more likely to see real-life action within a workgroup than either of its paper predecessors. In addition, its adherence to standards enables interoperability with other systems.

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Content Filtering

Content filtering on the server side makes sure filtering gets done. Generally speaking, technical people understand filtering rules better than everyday users. The filtering facilities of MDaemon are diverse, fluid and easy to learn. Senders, receivers and administrators can be notified of filtering actions by using personalized and detailed messages. Filtering can reduce email delivery costs by eliminating undesirable messages and cutting down on bandwidth usage.

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Email Gateways

An email gateway collects, stores and forwards messages to a primary domain server. A gateway typically has no individual accounts. Email gateways can help both large and small enterprises solve some of the problems inherit to Internet email services. For a small organization, a gateway can make a private email domain affordable. This is because a service provider supplies the gateway at a reasonable cost by sharing the hardware and software with other smaller ventures. The primary domains in such cases can have either permanent or dialup connections to the Internet. Larger establishments can employ security-hardened gateways to provide protection and content filtering for their more vulnerable enterprise email systems. Gateways can also be configured to supply automatic realtime mail storage backup when a primary domain goes offline for any reason. One copy of MDaemon can simultaneously operate gateways for dozens of email domains, even while running a primary domain server of its own.

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MDaemon Standard vs. Pro

MDaemon comes in two versions — Standard and Pro. MDaemon Standard offers basic email service build around an SMTP server for transmitting mail and a POP3 server for distributing messages to users. The professional version adds high-end features for the administrator and email subscriber.

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Public Folders Concepts and Applications

Email public folders promote and ease the centralized sharing of information. Discussion groups, announcements and work group inboxes can all be facilitated by email public folders. Public folders can be open to anyone with an account on the supporting mail server. Access can also be limited to smaller groups. Message status flags for public folders can be unique to each user or shared among all members of a group. The email administrator creates public folders and assigns access privileges. MDaemon supports public folders for email. When coupled with the InsightConnector, public folders can also be used for Outlook calendaring and direct document sharing. Public email is a feature of Internet Message Access Protocol (IMAP) servers.

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Security Tools for Spam Control

Unsolicited Bulk Email (UBE), also known as spam, costs enterprises and individuals billions of dollars each year. It consumes time and resources while delivering content of limited, if any, value. Among the primary tools of spammers are third-party email servers with open relays. This means anyone can send an email through the server to anyone else, even if neither the sender nor the receiver has an account on the server. Spam can also come from authorized users with accounts on a server. To help control spam, modern email servers must have configuration options to stop third party relaying and control access by various other means. All of this must still allow account holders to send and receive mail from remote locations. MDaemon includes the required options to stop unauthorized relays, while permitting account holders to use the server from any location in the world. A server set up to resist spam is also secure from other types of attacks, including break-ins.

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MDaemon GroupWare (an alternative to MS Exchange)

MDaemon GroupWare allows enterprises to use all the groupware functions of Microsoft Outlook without the expense of Microsoft Exchange Server. Businesses, charities, schools and individuals use Outlook because of its practical tools for managing time, contacts, documents and email. However, most of Outlook’s best features — including information sharing — work fully only when coupled with Microsoft Exchange, the software publisher’s email server. For many small to mid-sized organizations, Microsoft Exchange remains too expensive because of its hardware, software and licensing requirements, plus the need for highly trained administration personnel. MDaemon GroupWare addresses this issue by releasing the complete set of Outlook features, including all of the sharing functions. MDaemon GroupWare is a client-server product, with components on both the MDaemon server and the client personal computers. It enables the sharing of Outlook folders, calendars and contacts plus all other Outlook “objects”. It allows companies to use the complete features of Outlook with the economy and easy administration of MDaemon.

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Web Administration

WebAdmin for MDaemon is email administration software that runs in a web browser. It provides administrative access to the most commonly used system configuration and account settings through any javascript-enabled browser. Through web administration, the system administrator can change settings for the primary domain, plus any sub domains. This includes account administration in any domain. One of the main advantages of web administration is giving domain administrators rights for configuring their own domains and accounts. In addition, individual account holders can change many of their settings. Both system and domain administrators can control who can change what through default and customized settings within their domains.

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Fax Management

The fax server puts a digital spin on an old trustworthy analog technology. It sends and receives facsimile transmissions to and from personal computers on a local area network, wide area network or the Internet. It allows users to share fax machines or fax modems or both if they are accessible through the network. RelayFax integrates fax sending and receiving through almost any email server, including Alt-N’s MDaemon email server. Through the RelayFax, authorized email users can send regular email attachments to a mailbox and have them forwarded as industry-standard facsimiles to any fax devices in the world. RelayFax uses client-server technology, with the server running on a network hardware platform and the clients operating on desktop or lap computers.

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IMAP and POP Summaries

POP3 and IMAP are two ways of accessing email over the Internet. POP3, the older of the two methods, works well for users who have one computer and who want keep all of their mail on that one computer. IMAP provides server-side storage and manipulation of email. It works better where users have multiple computers and need to be able to access their mail from any of them, plus via the Web. This document explains both protocols and argues softly for the deployment of IMAP.

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MDaemon AntiVirus

Viruses cause billions of dollars (U.S.) of damage each year through downtime, lost productivity and recovery efforts. MDaemon AntiVirus is a complete virus checker with automated update capabilities for its scanning engine and virus signature files. When coupled with other preventative measures, MDaemon AntiVirus can reduce or, possibly, eliminate the encroachment of viruses into your office. It can also prevent the accidental sending of viruses from your business to other people. In addition to signature files, MDaemon AntiVirus uses heuristic detection methods, which examine emails and attachments for “virus-like” characteristics. MDaemon AntiVirus is a plug-in that runs as an independent service for Alt-N’s MDaemon email server.

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Setting Up Email Catalogs

The catalog is an often overlooked yet extremely useful tool for distributing documents and files. Catalogs are quick, structured and more secure than FTP or HTTP servers. They can contain any type of file from pictures and documents, to application programs and scripts. E-catalogs have the added benefit of being easy to change, so the content can be current to the moment. MDaemon contains tools for creating, editing and deleting catalogs. They are easy for beginners and powerful for more advanced administrators.

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Using ODBC with MDaemon 6.5

While maintaining user account records on MDaemon is easy, it can be redundant. Redundancy possibly occurs if your enterprise also keeps computerized information about employees or email customers, for example. Redundant record keeping wastes time and adds the risk of information being inconsistent among various data sources. MDaemon 6.5 addresses this problem by allowing account records to be maintained in any database with an Open Database Connectivity (ODBC) interface. MDaemon 6.5 also has the ability to access mailing list records through an ODBC connection.

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