Email configuration in S/4Hana Public Cloud for Purchase Order Quotation Email template

Dear SAP Team,

I person gone done immoderate blogs, but one americium incapable to find out, what are the steps request to configure to nonstop S/4Hana Purchase Order Quotation email to receiver email.

We person activated DKIM process besides which is for S/4Hana Public Cloud.

Kindly requesting our SAP experts to usher us.

Thanks successful Advance.