MDaemon

name = MDaemon Messaging Server

MDaemon Messaging Server は、Texas州に位置するAlt-N Technologies社 が開発した、Windowsベースのメール・グループウェアサーバソフトウェアである。

MDaemonは、標準搭載された、ヒューリスティック分析やベイジアン解析を使ったスパムフィルタ、SSL/TLSでの暗号化、パブリックフォルダや共有フォルダ、メーリングリスト、ウェブベースのメールクライアント 、グループウェアデータの共有、ActiveSyncを介したover-the-air によるモバイル端末とのデータ同期、BlackBerry Internet Service、更に追加オプションとしてBlackBerry Enterprise Server  プラグインといった機能を搭載している。

1. ファイル構成
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MDaemonのメインの設定ファイルはMDaemon/Appフォルダへ格納されており、メールは個々のファイルとして、MDaemon/Usersディレクトリ以下に格納されている。

2. 誕生のきっかけ
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MDaemonは、1990年の半ば、Arvel Hathcockが開発を始めた。Hathcockは14歳で父親に買ってもらったTRS-80モデルMC-10で開発を始め、複数の企業向けに掲示板ソフトを開発した後、Mailing List Systems Corporationへ所属した。Hathcockは当時のメールソフトウェアにかかるコストにフラストレーションを感じ、1996年、自分でメールシステムを開発しようと決意した。1996年、Alt-N Technologiesを設立し、Hathcockの商用メールサーバー、 MDaemonが生まれた。

3. MDaemonに搭載された追加アプリケーション
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3.1. WorldClient 
-----------------------------------

MDaemonに搭載されているウェブベースのメールクライアント  を使うと、ブラウザからメールや予定表、連絡先、ドキュメント、仕事、メモにアクセスする事ができる。ドキュメントはメッセージへ添付したり、ドラッグ＆ドロップで共有フォルダへ追加したりする事ができる。パブリックフォルダや共有フォルダを共有する際には個別のアクセス権限が設定できる。サイドバーに組み込まれたチャット機能は、他のMDaemonユーザーとのチャットに利用できる。

3.2. リモート管理 
----------------------

リモート管理 はMDaemonの設定を行うために搭載されている機能である。ウェブベースのリモート管理ツールを使うと、アカウント管理、セキュリティ管理、モバイル管理、ログの確認、といった、MDaemonのほとんどの設定にアクセスできる。

3.3. プライベート・インスタント・メッセージ 
-----------------------------------

標準搭載された、プライベート・インスタント・メッセージ用クライアントにより、 グループチャットや連絡先一覧、ファイル共有、メール通知、アドレス帳の自動同期などの機能を使う事ができる。

4. MDaemonの追加アプリケーション
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4.1. SecurityPlus for MDaemon
-----------------------------

SecurityPlus for MDaemon は、Recurrent Pattern Detection  や Zero Hour Virus Outbreak Protectionを使った、ウィルス対策や スパム対策機能を提供している。

4.2. Outlook Connector for MDaemon
----------------------------------

Outlook Connector for MDaemon はMicrosoft Outlookユーザー間で情報共有するためのグループウェア機能である。Outlook Connectorには個別のアクセス権限も使用できるフォルダ共有機能、グループウェア機能、自動応答機能、複数言語対応 といった機能が搭載されている。

4.3. ActiveSync for MDaemon
---------------------------

ActiveSync for MDaemon includes support for the latest version of Microsoft Exchange ActiveSync  , which is a separately licensed ActiveSync  server. ActiveSync provides native synchronization of a user's default email, calendar, contacts, and tasks data between the MDaemon server, WorldClient  or Outlook  account and an ActiveSync capable device. Other features include: customizable device IT policies, remote wipe, autodiscovery, multiple folder synchronization, global address lookup, SSL encrypted transmissions, device whitelists and blacklists, forgetting inactive devices, and device protocol restrictions.

5. バージョン履歴
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5.1. MDaemon 1
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The original version of MDaemon was not publicly released. Features included:

Account Quotas, Sender Blacklists, Aliases with Wildcards, Automatic Mail Forwarding, Configurable Mail Port, Protocol Timeout, and Session Inactivity Values, Configurable Storage Locations, Easy to Backup and Restore Via Flat File Structure, IP Screening and Address Suppression, IP Shielding, Mailing Lists , Out-Of-Office Auto-Responder, Real-Time Session Activity Logging, Simplified  Message Archiving to Public Folders or to Designated Email, Address, SMTP Greeting "Site Policy", SMTP, POP3, MuliPOP, and Delivery of Mail Directly to Recipients' Mail Server or to Your Smart Host.

5.2. MDaemon 2
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The first public release of MDaemon was July 31, 1996. Features included:

Account Restrictions. Anti-Relaying, Trusted IPs and Hosts, and WorldClient  - Access to Email, Contacts, and Calendar.

5.3. MDaemon 3
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Released on February 29, 2000. Features included:

Account Import / Export, Content Filtering, DNS Blacklists, IMAP, Low Disk Space Alert Notifications, Multiple Mail Domains, ODBC Account Database Backend Support, Spam Filter with Bayesian Learning and Heuristic Message Scoring, and Recurrent Pattern Detection .

5.4. MDaemon 4
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Released on April 10, 2001. Features included:

Automated Old Mail and Inactive Account Deletion , Automatic Gateway Creation When Used in a Backup MX Role, DomainPOP, Folder Sharing, IMAP Mail Filtering Rules, LDAP Account Database Backend Support, On-Demand Mail Relay , Reverse Lookup, Server-Hosted Public and Shared IMAP Folders with Access Control Lists , and SMTP Authentication.

5.5. MDaemon 5
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Released on September 25, 2001. Features included:

Attachment Compression, Attachment Restriction, Closed Instant Messenger , and Contact Synchronization.

5.6. MDaemon 6
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Released on July 1, 2002. Features included:

Automatic IP Screening, Dynamic DoS, Dictionary, and Brute Force Attack Detection and Prevention , Host Screening, Shared Calendaring, and Scheduling.

5.7. MDaemon 6.5
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Released on October 29, 2002. Features included:

Tarpitting, and WorldClient  - Secure Socket Layer  Support.

5.8. MDaemon 6.7
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Released on February 10, 2003. Features included:

Bandwidth Throttling, Groupware Functionality , Outlook Support , and Meeting Requests with Automatic Updates of Attendees.

5.9. MDaemon 6.8
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Released on June 10, 2003. Features included:

LDAP Recipient Verification, and SSL / TLS / StartTLS.

5.10. MDaemon 7
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Released on March 2, 2004. Features included:

Account / Domain -Based Signature Files, Automatic Update Service, Mailing Lists - ODBC, Spam Honeypots, Strong Passwords, Spam Filter - Blacklists, Spam Filter - Whitelists, and WorldClient  - Mobile Theme.

5.11. MDaemon 7.1
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Released on May 11, 2004. Features included:

Detect Spoofed Email Addresses.

5.12. MDaemon 8
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Released on April 12, 2005. Features included:

Custom Plug-In Support, DomainKeys, DomainKeys Identified Mail  - Signing and Verification, HashCash, Holding Queue for Errors, Inline Virus Scanning Kaspersky AntiVirus Engine, Multiple LDAP Configurations for Gateway Domains, Queue Management System, SpamAssassin 3, and WorldClient  - Notes and Tasks.

5.13. MDaemon 8.1
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Released on July 26, 2005. Features included:

Greylisting.

5.14. MDaemon 9
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Released on April 4, 2006. Features included:

Active Directory Monitoring, AntiSpam Runs as Separate Process , Calendar with Free / Busy Server, Mailing Lists - Active Directory, Sender Policy Framework  and Sender ID, Web-Based Remote Administration , Wireless Access to Email, Contacts, Calendar, and Tasks Using IMAP and SyncML5, WorldClient  - Unicode UTF-8 Output, and Zero Hour Outbreak Protection.

5.15. MDaemon 9.5
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Released on October 24, 2006. Features included:

Backscatter Protection, and Custom Mail Queuing.

5.16. MDaemon 9.6
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Released on June 12, 2007. Features included:

Account Grouping, and Account Validation Using Minger Server.

5.17. MDaemon 10
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Released on August 26, 2008. Features included:

Domain Sharing , Unlimited Mail Delivery Schedules, Vouch-By-Reference  Message Certification, and WorldClient  - Handicap Accessible Reader and User Configurable Time Zone.

5.18. MDaemon 11
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Released on March 10, 2010. Features included:

Attachment Linking - Attachment Storage and Retrieval on Demand and Quick Mobile Message Downloads, DomainKeys Identified Mail  - Author Domain Signing Practices , and Email Notification of Attempted Violations of Account Restrictions.

5.19. MDaemon 12
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Released on February 15, 2011. Features included:

BlackBerry - Built-In Support for BlackBerry , Via BlackBerry Enterprise Server , Including: Advanced Email, Wireless Synchronization, Up-To-Date Calendaring, Integrated Contacts, Device IT Policy Management and Security, BlackBerry Balance Technology, and Remote File Access. One Simple Management Console to Manage BlackBerry Device Functionality Including: Domain Level Device Policy Management, Customizable Device IT Policies, Password Assignments / Resets, and Remote Device Wiping. BlackBerry - Supports BlackBerry  Push Email, Inbox Mapping, Calendar, and Contact Synchronization for BlackBerry Devices Via BlackBerry Internet Service  Data Plan. WorldClient  - Integrated Closed Instant Messaging  with Chat, Buddy List, Logging, and Group Chat.

5.20. MDaemon 12.5
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Released on October 18, 2011. Features included:

Per Account Whitelists, and Recipient Blacklists.

5.21. MDaemon 13
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Released on September 4, 2012. Features included:

Detect and Stop Hijacked Accounts, IMAP "Compress" and "Binary", Simple Message Ticketing System, and Traffic Charts. ActiveSync - Over-The-Air  Synchronization of Individual Email, Calendar, Contacts, and Tasks on iPhone, Android, Windows Phone, and BlackBerry  Smartphones with Autodiscover Service. One Simple Management Console for Mobile IT Policies for Domain Level Device Policy Management, Customizable Device IT Policies, Password Assignments / Resets, and Remote Device Wiping. WorldClient  - Custom Branding, Document Folders, and Drag and Drop Attachments.

5.22. MDaemon 13.5
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Released on June 18, 2013. Features included:

Account Templates with Automatically-Configured Settings, Colorized Session Logs, Password Settings and Restrictions, Performance Counters, Public Folder Manager, and Attachment Linking - Outbound AttachmentsActiveSync - 2.5, 12.1, 14.0, and 14.1 Protocols, Password Expiration, Password Complexity Level, Maximum Attachment Size, Require Alpha-Numeric Password, Require Device Encryption, Disable Camera, and Several Other Policy Options, Device Whitelists and Blacklists, Forgetting Inactive Devices, and Microsoft Outlook 2013 and Windows 8 Mail SupportClosed Instant Messaging  - Support for Multi-Languages

6. Language Support
-------------------

MDaemon is available in many different languages.

6.1. MDaemon Messaging Server
-----------------------------

Available in the following 9 languages:

English, Spanish, French, German, Italian, Japanese, Portuguese, Russian, Chinese

6.2. WorldClient 
-----------------------------------------

Available in the following 27 languages:

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Czech / Cesky, Indonesian, Greek, French Canadian, Danish, Finnish, Norwegian / Bokmal, Swedish, Korean, Hungarian, Dutch / Netherlands, Turkish, Taiwanese, Polish, Hrvatski / Croatian, Serbian, Slovenian, Vietnamese

6.3. Remote Administration 
-------------------------------------

Available in the following 11 languages:

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Dutch / Netherlands, Swedish

6.4. Closed Instant Messaging 
----------------------------------------

Available in the following 13 languages:

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Dutch / Netherlands, Swedish, Polish, Thai

6.5. SecurityPlus for MDaemon
-----------------------------

Available in the following 9 languages:

English, Spanish, French, German, Italian, Japanese, Portuguese, Russian, Chinese

6.6. Outlook Connector for MDaemon
----------------------------------

Available in the following 16 languages:

English, German, French, Spanish, Russian, Japanese, Portuguese, Italian, Chinese, Danish, Finnish, Norwegian-Bokmal, Swedish, Dutch, Hungarian, Polish

7. 脚注
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8. 参考文献
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Stephanie Jordan  [1], //Messaging News//
Joel Snyder  [2], //Network World//
Arvel Hathcock  [3], //Financial Services Technology//
ServerWatch Staff  [4], //ServerWatch//
Tom Yager  [5], //InfoWorld// pp. 36 & 38; [6]
Tom Yager  [7] //InfoWorld//, p. 66; [8] in //Computerworld// Australia

9. 関連項目
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List of Mail Servers
Comparison of Mail Servers
ActiveSync
Push Email
Comparison of Email Clients
BlackBerry Enterprise Server
Sender Policy Framework
Vouch By Reference 
Notify Technology
Kaseya Network Monitor
IMAP IDLE
SyncML
Domain Assurance Council
National Junior Mechanic Competition 1987