How to implement a disposable E-Mail newsletter HTML emails?

Good day! A HTML email and database E-Mail addresses ~70K. We need to implement a one-time mailing this letter on the basis of the E-Mail addresses. How it can be implemented? What services would you recommend?
September 18th 19 at 23:51
1 answer
September 18th 19 at 23:53
Mailigen for example

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