Abstract
Abstract. Servers are systems that set up to run for years, but it may be necessary to migrate to a new, better server when they have completed their lifetime or become inadequate. In this study, the open-source iRedMail e-mail server has been successfully migrated to another high-capacity physical server which uses an open-source CentOS operation system. Migration is a process that every step has to be very well planned. However, although planning is well done, unexpected errors may occur. For this reason, it is also essential to choose migration time. The experience gained as a result of the study is a guide for the new ones.
Highlights
Servers are often built to serve for a long time
If we look at for migration of an e-mail server, Dennis et al have a patent about Autonomous configuration of e-mail clients during an e-mail server migration and automation (Dennis et al, 2013, Dennis et al, 2018) when Alarid et al have a patent study about mail object migration (Alarid et al, 2013)
Before migrating the iRedMail server, it should be checked if the existing server and the new server have the same version because both servers must be the same software
Summary
Servers are often built to serve for a long time. E-mail servers are one of these critical servers. Unexpected hardware failures may occur on the server In such cases, the disconnection of access can be tolerated for a certain period of time, especially in institutional structures, there is very little tolerance for data loss. IRedMail (Huangbin, n.d.), a free, open source mail server solution, was migrated from a physical server with insufficient processing power and disk capacity to another new, powerful and large capacity physical server. The informations such as operating systems, software versions, organization planning, user statistics, server details and architecture were not given against possible cyber attacks
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