Good day
I would like to help you to move a postfix server to another hosting and migrate all configuration for the accounts.
I work with a team of senior system admins. We run our own HSP (hosting service provider). We provide for rent more than 300 servers located in six datacenters of six countries of world. We manage servers located in datacenters of USA, Canada, Netherlands, Germany, Ukraine, Russia.
In area of providing Managed Services we have experience with such technologies as Virtuozzo, different types of virtualization (OpenVZ, KVM, XEN), different distributives of OS Linux / OS Unix / OS MS Windows Server systems, VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.
Looking forward to chat with you.