I have read your details and I am confident we as a team can deliver your project as required.
To begin with, we will propose 3 front end designs from which you can go with the one you like. These designs wiMore
I will setup PMTA server and mailwizz with ip rotation and create all the mail authentication records SPF, DKIM, DMARC for bulk mailing as per your requirement and have expertise in the relevant field. I have 10 yMore
I have rich experiences in mass mailer python script.
I have used [login to view URL] server on many mass-mailers.
And you are going to implement the primary SMTP address idea.
That is your proxy address for multiple emMore
i can build u a local web app which you will run on your local computer . a dashboard will be provided in the app where you can provide all the inputs, like List of mail address / no of mail -sending-threads to run simMore