Hello,
I have experience in mailing server configuration. I'm an email marketing expert I will do SMTP Configuration with email sending applicatiom then you can able to send 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 delivery.
Feel free to reach me i'll be waiting for your reply then we can discuss more.
Thank you
Raviraj