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The Coremail mail system is a large-scale enterprise mail system independently researched and developed by

 Coremail Eristic. After 19 years of in-depth research and development, the system technology is mature, and 

the performance is stable and efficient, which can give full play of the performance of 

the mail server. Therefore, it is the preferred solution for many well-known enterprises, government and universities to set up the mail server systems and 

enterprise mailboxes.

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Advantages
Global mirror: Coremail is a mail system provider facing the global market.

    The main reason for slow traditional overseas access speed is that the email data is stored in 

domestic servers. When an employee needs to send an email at a foreign office, he has to go 

through a foreign operator, an international tunnel between the foreign operator and the 

domestic operator, and the domestic operator successively, and finally log in to the domestic

 enterprise mailbox on the domestic enterprise mail server. Although the bandwidth provided

 by domestic operators and foreign operators is sufficient, the number of router hops to be

 passed from abroad to the domestic area is particularly large, which may cause an increase 

in delay, or the international available bandwidth of the communication tunnel is relatively low, 

so that the international communication efficiency will be low.

    For this problem, global mirror acceleration is Coremail's exclusive overseas access solution,

 which has highly integrated the mature data synchronization technology with overseas cloud 

server clusters around the world, to achieve overseas high-speed access to domestic mail systems.

    By synchronizing the data of domestic designated users to global mirror servers, combined 

with global intelligent DNS resolution technology, global mirror acceleration allows overseas users 

to automatically connect to the nearest global mirror server for high-speed email receiving and sending, so that the overall speed can be increased by more than 6 times!


Severe challenges faced by global e-mail[Global E-mail] services
  • High cost

    Companies that have branches overseas, especially those with large data volume transmission requirements, generally adopt international private leased circuit or deploy overseas servers, but both methods have relatively high costs and are difficult to maintain. Taking the international private leased circuit from China to the United States as an example, a bandwidth of 1M requires nearly RMB 100,000 per month.

  • Instability

    Because of its special nature, email is very sensitive to the perception of network bandwidth. Due to the long-distance cross-regional and cross-sea cabling, affected by the geographical environment, the network of international optical fiber is relatively unstable. In the event of an international optical fiber interruption, it may even cause the loss of mail data.

  • Slow speed

    Overseas users have to go through several transit servers before accessing domestic servers for email receiving and sending. Due to limitations of international network bandwidth and other factors, the email login page may fail to open, the page response is slow, the email receiving and sending is delayed, it can not to download attachments, and the user cannot download mails, etc.

Coremail global mirror product features

■ Disaster recovery backup

Data backup is available for both global mirror server and local server, able to ensure continuity of service and high availability. Even if the network is interrupted, data will not be lost.

■Top resource

Rely on top-level overseas server resources, and take core-level computer rooms in the United States, Hong Kong, etc. as core global mirror nodes, to provide global speed service.

■Fast access

When accessing mailbox, sending and receiving emails overseas, you can directly connect to global mirror servers to enjoy local internet speed up to 10MB/s.

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