Hello,
I have experience in mailing server configuration. I will do SMTP Configuration - Maiwizz SMTP Configuration then you can able to send millions of Emails as you required, i will setup mailing authentications SPF, DKIM, DMARC, RDNS, cName configuration - Domain Setup - Pop3 & Imap server - Cron job setup for automatic manual scheduled sending .I will configure mailing application on server and will pass all records that is SPF,DKIM,DMARC for good inbox.
I have 5 years of experience in setup and management of different Linux Web Hosting Servers, Cloud Servers, AWS, Digital Ocean, Server Monitoring, Server Security, Server Optimisation, Mailing Servers, Email Marketing, SSL, DNS, Apache, Nginx etc with cpanel, plesk, virtualmin or other panels.
Let me know if we can discuss further on the task.
Thank you