Well from what I can see here you don't have the choice, either it is storing in Document Service in the BTP or you have to go for another external solution:https://help.sap.com/docs/SAP_S4HANA_CLOUD/a630d57fc5004c6383e7a81efee7a8bb/fe051b8031274f919...
If my understanding of your situation is correct: S/4HANA + sending of mails with attachments, then the solutions proposed so far will not work because they are about ArchiveLink and you are not using ArchiveLink.You should check in SKPR08 to find ou...
problem is that easyDMS reaches end of life and maintenance, so such issues will eventually not have any solution anymore...There is a solution on the market that replaces easyDMS :Rgds,Karim
