Zimbra email server migration -- 2

HI i would like to zimbra email server migration from postfix /imap
- configure spf record,dmarc ,dkim record
- configure drbd ,corosync ,pacemaker for HA email server
- migrate the old email to new emails
- install ubantu os
- install ssl certificate for webmail
- documentation for the project
- Project Timeline ( 5 days ) when it starts
- provide access from anydesk or teamviewer (cant provide SSH or VPN as of now )
-Price Negatable