Email Server Architecture for 5000 users

Hello, I have huge experience in Linux server Also about LAMP architecture, I have atleast 10 years experience in LAMP. I can help you transfer hosting , help you backup your data reliably or restore your data to a new location. I can help you with email setup, MX, SPF,DKIM . I can edit any dns configuration zone file Mysql server tuning and backup is also one of my key expertise. In short I can do any kind of work on Linux server. More over, my english is very very good, and I can talk to you on phone too.