Connection and configuration of the server for email newsletter

types of mailing:
-spam advertising services to new customers
-advertising for customers subscribed to the newsletter

frequency:
-regular mailing 10000 - 25000 per week/per day
-one-time mailing of up to 1 000 000 letters per month

type of activity - recruiting services
EU region

what is required:
-running the database for validity, since the database is targeted, all addresses were selected as potential customers, but perhaps there are non-working addresses.
-SMTP server
-mailing software, PowerMTA, exim, Mautic or any other suitable
-anti-spam and randomization of emails to minimize spam
-Warming up