Grasp the twelve elements and teach you to easily choose a mail server

At present, there are a variety of Internet mail server mail server products available on the market. These mail server products are available at different prices and there are many differences in the functions provided. For network administrators, how to choose a full-featured and reasonably priced mail server product according to the needs of their own business is a multi-factor comprehensive decision-making problem. When choosing a mail server, although there are many factors to consider, the main focus should be on the system support capability, service protocol support capability, multi-mail server support capability, user management capability, mailbox management capability, client software support capability, and communication. The following twelve factors, such as ability, security protection, system management capability, version, price, upgrade and after-sales service.

One, system support capabilities


no matter what computer product selection, system support capabilities are issues that must be considered first, so hardware products, software products the same is true . For the mail server, the following three issues should be considered in terms of system support capabilities:

1) Server running platform support capability

For a software server product, its running platform support Capabilities are nothing more than single platform and cross platform. If a network managed by a network administrator supports multiple coexisting operations and has multiple mail servers that are independently managed, it is recommended to prioritize cross-platform products when it is necessary to consider the convenience of each mail server to work together and manage. Otherwise, you can only consider products that meet your platform.

2) business processing capabilities

some mail server products are often divided into the enterprise version and the standard version, both product prices vary considerably. The former is mainly used by group users who have a large number of users and have many businesses to deal with, and the latter are used by small and medium-sized group users.

3) system processing capability of the system processing capacity

mail server, it refers to the ability of information processing systems utilizing the hardware platform and software platform. For server platforms that support multiple CPUs, some mail servers can currently set the number of processes in the system, the number of client connections allowed per process, and the number of threads allowed per process.

4) load balancing to support capacity

order to meet the needs of users to expand the volume of business, and now some of the mail server products also have the ability to support multi-server load balancing to some degree under the same platform. In this mode of operation, the network administrator can add a mail server at any time according to the growth of business requirements. After proper system configuration, multiple servers can share the mail service processing work.

Second, the ability to support service agreement


mail server software is an Internet web services software products, and supports numerous Internet network services to a variety of service agreement. When choosing a mail server product, examining its ability to support service agreements is an important indicator of product performance.

mail server products related to network services agreement mainly in the following six:

1) SMTP protocol

SMTP protocol is a simple mail transfer protocol (Simple Mail Transfer Protocol )abbreviation of. This is the first and most basic Internet mail service protocol that is commonly used.

2) POP3 protocol

POP protocol is an acronym for Post Office Protocol (Post Office Protocol), which is a server allows users to send and receive mail from the mail protocol. Combined with the SMTP protocol, POP3 is currently the most commonly used email service protocol.

3) IMAP4 protocol

IMAP protocol is an acronym for Internet Message Access Protocol (Internet Message Access Protocol) is now commonly used is version 4, which provides selective from the mail server to the user Receive mail, server-based information processing, and shared mailbox capabilities. After the user logs in to the mail server, IMAP4 allows multiple processing methods to query the mail. First, the user can read only the message headers in the email; then the user can choose to download the specified message or all of the messages. IMAP4 keeps mail for users on the mail server side.

4) HTTP protocol and HTML language

HTTP protocol is an acronym for Hypertext Transfer Protocol (Hyper Text Transfer Protocol), support for this protocol mail server, you can send and receive e-mail provided by the Web service.

5) MIME protocol

MIME is the Multipurpose Internet Mail Extensions abbreviation (Multipurpose Internet Mail Extensions) protocol. As an extension to the SMTP protocol, MIME specifies the standard for transmitting non-text email attachments over the SMTP protocol. At present, the use of MIME has long surpassed the scope of sending and receiving e-mail, and has become one of the basic protocols for transmitting multimedia information on the Internet.

6) LDAP protocol

LDAP protocol is an acronym for Lightweight Directory Access Protocol (Lightweight Directory Access Protocol) is. By storing relevant content in a unified directory, the directory service provides users with information query methods based on the way the client/server works.

Third, the ability to support multiple mail servers support multiple


mail server has two meanings, on the support a plurality of mail servers physically and logically work Support for multiple virtual mail servers, also known as multi-domain mail services.

Physically supporting multiple mail servers to work together means that the product can build multi-level mail services in a complex network environment. For a large organization, in addition to an enterprise-level mail server, each department is allowed to establish and manage department-level mail servers. The enterprise-level mail server directly connects to the Internet externally, and connects to the mail servers of various departments internally, which is the summary node of the vertical mail service.

so-called multi-domain mail service, is through a physical server, multiple agencies or departments independent registered Internet domain name email services. From the outside world, these institutions or departments seem to have their own dedicated mail server. Therefore, it is also known as a virtual mail server.

Four other service support capabilities


1) e-mail paging service

provide such a service in the mail server receives the user's e-mail At the request of the sender, the e-mail can receive the new e-mail or simple content to the recipient's pager.

2) Mail to fax service

Some mail servers also provide options to send emails received by email to the fax machine designated by the recipient according to the sender's request. .

3) mail user group service

mail user group (Mailinglist) service, also known as mailing lists, is a thematic network for information exchange service via e-mail.

4) online news service

News Network (Network News) is a common interest of the user on the Internet, an invisible network users exchange with each other in order to exchange views on the composition.

5) multilingual services

some mail servers offer multi-language service support capability that allows administrators and users to customize text information input languages, and features based on the user's country Automatically select the appropriate language to provide the service.

MuseMail Server uses database as the storage base of basic data, supports multi-language, remote management, Webmail (AJAX+PHP), Internet mail sending and receiving, (POP3, SMTP, IMAP, FTP), digital watermarking/SSL encryption , network hard disk, mail filtering, mail monitoring, mission events, anti-spam, mail killing virus, multi-domain mail sending and receiving and mail sending verification, etc., is the ideal mail server software for companies, enterprises, schools and portals. . MuseMail Server provides simple, easy-to-use, excellent stability and flexible web mail service secondary development interface to provide users with better, easier and faster support for business applications, office applications and learning.