Linux Email

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1. The Linux Mail User
   This document is an introduction to the world of electronic mail (email) under Linux. It focuses on user-level issues and typical configurations for Linux home and small-business machines connected to the net via an ISP. You need to read this if you plan to communicate locally or to remote sites via electronic mail. You probably do not need to read this document if don't exchange electronic mail with other users on your system or with other sites.
                            
2. The  Mail Master
   The email server management tool designed to meet the needs of medium to large ISPs and companies. Rock solid performance from proven performers including the linux operating system, sendmail, spamassassin, horde, and clamscan.
                                     
3. The benefits of the email infrastructure
   Capitalizing on a proven technology foundation and the openness of Linux, Scalix gives enterprise customers a simple to manage, highly reliable, and feature-rich Linux email and calendaring platform. The Scalix platform represents a blend of proven enterprise-class technology and pioneering messaging innovations. HP OpenMail, which the company has licensed from Hewlett Packard, serves as Scalix’s robust enterprise-class foundation. Field-proven, these Linux email servers have been deployed by some of the world’s largest and most demanding enterprises supporting 100,000’s of users while reporting system availability above 99.99%. Linux email servers offer superior price and performance advantages with greater security, reliability, performance, openness and flexibility, when compared to other operating and messaging systems.
                               
4. Introducing SuSE Linux eMail Server
   The SuSE's Linux eMail Server III has an amazing number of features integrated into its GUI, including all of the DNS functions for handling virtual domains and hosts. If I were a brand new mail administrator this program would save me hours and hours of fussing with Sendmail and BIND and numerous other tools. As a user, I'd definitely love this product, its Webmail actually lets you create mail filters and autohandling scripts, along with supporting some pretty cool calendar and scheduling options.
                        
5. AVG for Linux
   AVG Linux E-mail Server Edition is the ultimate product for protecting Linux e-mail servers. Its simple yet powerful administration tools allow you to control scanning, detection and virus handling. It is extremely fast and light on resources, so, no matter how demanding your users are, it will not slow down their performance.AVG Linux E-mail Server Edition comes with all the features you would expect from a professional e-mail server antivirus product, plus much more... A 2 year license, so you can receive free updates and full product support for a whole 2 years. It includes free 24 hour a day e-mail access to Grisoft’s professional team of technical experts. Tell me more 
                              
6. Merak Linux Mail Server Software
   A new generation of mail server with a comprehensive collaboration suite for Linux . After nearly two years of development Merak Linux Mail Server Suite introduces a complete all-in one communication solution containing not only all common mail server features but also effective antivirus and antispam protection detecting all incoming security threats, GroupWare, FTP server, Web Server and secured Instant Messaging Server
                    
7. The Kaspersky Anti-Virus for Linux
   Kaspersky Anti-Virus provides the option to define which details of system performance will be shown in event reports. When a suspicious or infected file is detected, notification with a full description of the malicious code can be sent to the system administrator, the sender and recipient of the infected message. Administrators can modify notification templates; the solution for Sendmail with Milter API includes the option to use macros to create customized notification templates.Kaspersky Anti-Virus for Linux Mail Servers integrates with the Webmin administration system, enabling system administrators to control and remotely configure the antivirus protection. Webmin can also be used to regulate access rules and control accessibility using passwords. 
                                 
8. The Scalable and available Linux mail
   E-mail and calendaring are among the top mission-critical applications, yet many IT managers are frustrated with their current infrastructure’s reliability, complexity, and high TCO. Launched last week, Scalix (Profile, Products, Articles) 10 addresses these concerns with new features, including high-availability clustering, 64-bit OS support, and a refined management GUI. Version 10 also gives the Linux (Overview, Articles, Company) desktop a boost with rich support for Novell (Profile, Products, Articles) Evolution. 
                                 
9. Mailing List Software
   Courier by Double Precision, Inc. "The Courier mail transfer agent (MTA) is an integrated mail server suite that provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. It grew out of several related projects, that merged together (more on that later). Courier implements SMTP extensions for mailing list management and spam filtering. Courier can function as an intermediate mail relay, relaying mail between an internal LAN and the Internet, or perform final delivery to mailboxes. Courier uses maildirs as its native mail storage format, but it can also deliver mail to legacy mailbox files as well.".  Ecartis is a modular mailing list package; it runs on several flavors of UNIX and does not require any special permissions to run. It is based off of a plugin architecture, allowing easy upgrades and additional features, and allows individual users to have subscription flags to determine how they interact with the listserver
                             
10. Linux Mail Server
    A mail server is a server dedicated to sending and receiving mail. A software application handles the sending of messages from client machines and the receipt of email from other servers. This Linux Mail Server can be integrated into your current network and it is compatible with various email clients such as Thunderbird, Outlook and Outlook Express, Pegasus, Eudora and many others.
                              
11. The Linux vs. Windows Viruses
    We've all heard it many times when a new Microsoft virus comes out. In fact, I've heard it a couple of times this week already. Someone on a mailing list or discussion forum complains about the latest in a long line of Microsoft email viruses or worms and recommends others consider Mac OS X or Linux as a somewhat safer computing platform. In response, another person named, oh, let's call him "Bill," says, basically, "How ridiculous! The only reason Microsoft software is the target of so many viruses is because it is so widely used! Why, if Linux or Mac OS X was as popular as Windows, there would be just as many viruses written for those platforms!"
                         
12. The Vexira Antivirus For Linux Email
    Vexira Antivirus for Mail server is a content security application that provides scalable protection from viruses, spam, spyware and other malicious applications. It can directly integrate with many email systems or can act as its own SMTP relay server to shield the email server itself from attack. It is specifically developed for high volume and high reliability for email service providers and enterprises that require extended service and security levels along with best-of-breed technology. Vexira Antivirus for Mail server is a worldwide leading enterprise-class Linux antivirus and antispam solution with more than 200 million mailboxes already under its protection in over 100 different countries. 
                                           
13. The Linux Email Virus Protection
    Transparen joins the Open Source community in providing full support for users of ClamAV, which is a GPL command-line virus scanner. With ClamAV, clients can feel more confident that the emails they receive are free of malware and fit for reading. Nevertheless, we advise that computer users avoid double-clicking on attachments, or selecting "Open" from the right-click menu, unless they are confident that the email originated from a reputable source, or that the attachment is not executable.
                           
14. Incoming mail with POP and IMAP
    Postfix will receive email and deliver it to the user's inbox, but additional software is required to read it with ease. There are two standards for retrieval of email from a host. The first is called POP (Post Office Protocol). POP3 is most commonly used. This is normally used to read email from the server, store it in a client application, and remove the email from the server. This is often used by ISPs (Internet Service Providers). The email is subsequently manipulated by the client application, for example Outlook Express or Mozilla Thunderbird. The second protocol is called IMAP (Internet Message Access Protocol). The IMAP system is usually used when the email is to stay on the server. IMAP allows users to create folders for email, and to move or copy emails between the folders. The client application accesses the email on the server, but does not have to store it on the client machine. The email server must be able to store all of the email for all of its users, and the amount of data is expected to grow constantly -users rarely delete email. IMAP is therefor more frequently used in large organizations with centralized 
                                 
15. The Linux Email Servers
    Messaging security has grown to be the number one concern for most of our clients. We're all inundated with an unreasonable number of unwanted email messages from thousands of senders across the internet. We have developed a series of techniques for reducing the number of unwanted email messages that make it into your e-mailbox. vPostMaster is our free for non-commercial use, Postfix Linux email server solution, which implements the best of those anti-spam techologies. 
                        
16. The Linux Email Server Administration
    Few, if any, companies have been providing Qmail support longer than tummy.com, ltd. We first started running and supporting Qmail in 1996, and have used Sendmail since our company inception (and before) in 1995. Our first installation of the "new kid on the block", Postfix, was in 1997. Whether you are running Qmail, Postfix, Exim or Sendmail, we can help you with your Linux Email Servers. We can help you take back your e-mail box from the spammers. We know how bad it can be. Because our company has been on the Internet since 1992, and has a fairly high profile site due to our heavy participation in the Linux community, we have gotten up to 4,000 spams per day per employee. A rate that no human could ever hope to keep up with. 
                           
17. Trustix™ Operating System (Trustix OS)
    Trustix™ Operating System (Trustix OS) is a security hardened, server optimized Linux distribution. Packages have been specifically chosen to maximize the security, performance and stability of corporate servers. It has no running services which may compromise security or denigrate system performance, features strong encryption and is capable of heavy duty multitasking. Trustix™ Operating System is easy to deploy and manage and is fully scaleable to the needs of your business. Trustix™ Research Labs have eliminated the components of Linux that are not essential to a mail server's operation and modified those that remain to their secure defaults. Interdependencies have been resolved and services preconfigured by our developers so that Trustix™ Mail Server can be quickly installed out of the box. 
                                
18. The Scalix Launches Linux Email
    Scalix, a provider of email and calendaring on Linux, today announced the Scalix Small Business Edition, a low-cost version of its Enterprise Edition designed to meet the needs of small businesses. Small Business Edition offers many of the same features found in the company's flagship Enterprise Edition, but at a price point that is more attractive for small organizations. Like Scalix Enterprise Edition, the Small Business Edition includes robust third-party support for MS Outlook and Scalix Web Access, the company's fully featured AJAX web email client that combines desktop email with the convenience of a browser. 
                                 
19. The Remote NT via Linux
    We recently installed a Linux-based email solution for one of our clients. The solution was simple and one that we can quite happily pump out with ease. A month or so later our client came back to us to see if we could help with an idea he'd had. It turns out that he wanted to connect his machine at home to his office network. Having recently had an ISDN line installed which did pretty much nothing all day he wanted to know if we could make use of this. The NT Server simply needed to be set up so that it knows that packets for the 192.168.3 network should go via the Linux Machine as a gateway (On its 192.168.2.2 interface). Nothing else needed to change.
                                       
20. The SPAM and Viruses
    Email is an essential service for any organization, and professionally managed email improves organizational workflow and customer satisfaction. A missed email could mean a lost opportunity, or it could cause a public-relations problem that no organization would want. Yet, despite their importance, email servers have long suffered from SPAM, security concerns, and viruses. The solution is to request a professionally managed email system from Transparen Corporation, which will increase email reliability, decrease spam, and protect against viruses. Email server software for Linux has had a long history of fighting SPAM. Transparen can help organizations avoid SPAM by evaluating the current email server (if there is one), suggesting alternatives, and implementing improvements in a way that ensures that emails will not be lost. 
                         
21. Creating a Linux Mail Server
    This document covers how I have set up my Linux box to work as a Mail Server. The details will be specific to Arch Linux, but it will be be general enough for any *nix distribution if you have a knowledge of installing software packages, finding the location of configuration files, and starting/stoping services..My goals in creating this mail system are to have all of my mail, from various email accounts, stored locally on my machine so I can access it anytime via SSH, the web, or imap. I wanted all of my mail delivered to my local user account and I wanted the spam to be sucked out and launched into space. The backbone of the mail system is the Mail Transport Agent (MTA). It will handle receiving mail addressed directly to your machine, sending it to the correct users mail box, and sending mail out from the machine. 
                              
22. The Linux Antivirus Services
    The Email Anti-Virus Service utilizes the third party Anti-Virus Gateway software. The service covers the installation of third party Anti-Virus software, and the binding of the software to any Mail Transfer Agent of choice. Scripts are created to enable this binding specific to each clients technical environment. The anti-virus is administered from the server and updates are pushed out to each client when available. Monthly updates are provided on CD or via the internet and one year's support is included.
    
23. Automatic Email Virus Protection
    The Email Virus Protection automatically scans all incoming and outgoing emails and associated attachments. On receipt of a virus in an email or attachment the server will send a notification email to the sender and recipient as well as to the email administrator (the email or attachment are quarantined for the administrator to manage or repair). The Email Anti-Virus Service utilizes the third party Anti-Virus Gateway software. The service covers the installation of third party Anti-Virus software, and the binding of the software to any Mail Transfer Agent of choice. 
                                         
24. WebMail Server
    Merak's WebMail Server 5.3.1 provides multilingual anytime, anywhere, browser-based and WAP email access to email from anywhere on the planet using any version web browser or WAP device! The Webmail Server solution can be installed: - 1. Integrated with Merak Mail Server: as an integrated webmail solution with the Merak Mail Server installation, providing extended functionality, including web-based automated sign-up, account creation and management, 2. Non-integrated Stand-Alone Webmail Server: as a stand-alone installation that can work with any existing mail server on the market to provide browser and WAP-based email access. 
                           
25. The Electronic Mail Works
    Now we'll explain the flow of information that typically takes place when two people to communicate by email. Let us suppose that Alice, on her machine wonderland.com, wants to send mail to Bob, on his machine dobbs.com. Both machines are connected to the Internet. It helps to know that an Internet mail message consists of two parts; mail headers and a mail body, separated by a blank line. The mail headers contain the source and destination of the mail, a user-supplied subject line, the date it was sent, and various other kinds of useful information. The body is the actual content of the message.