Scalable secure mail server

I have experience in deploying and maintaining of: Cloud Computing Platforms: AWS Amazon Web Services,Microsoft AZURE, Google Cloud (GCP). Server Operating Systems: Windows Server 2003-to-2012R2, Windows Server 2016 Amazon Linux, Debian, RHEL, CentOS, Ubuntu. Web servers and servlets containers: IIS, APACHE, NGINX, DOCKER Mail servers: POSTFIX, EXIM, MS Exchange 2000-to-2013, MS Exchange 2016, QMAIL Database servers: MySQL, MS SQL Virtualization: MS Hyper-V, VMware Server(ESXI), VirtualBox. Directory service: Active Directory, OpenLDAP. File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik,PFSense Zywall and other Routers; Data Storage Systems: Netapp, FAS, EMC, VNX Virtual Private Network (VPN) OpenVPN, IPSEC,P2P,S2S VPN, Microsoft VPN, OpenConnect VPN , Mikrotik VPN , PFsense VPN. Hosting Panels: PLESK,cPanel,Website Panel

Hello Hope you are doing well. I have 7 years of experience in Linux and Email Server Management. We can choose any of the Opensource Email server and customise

Hello, Upon reading the job details I would say that all the required skills OpenSSL fall under my skills. I work on freelancer full time and I believe I can do this job if I get all the detailed requirements. Please check my portfolio as well: https://www.freelancer.com/u/AwaisChaudhry?w=f Looking forward to your response. Awais