TDCORRESP is a standard SAP Table which is used to store Fields for Correspondence, e.g. Action if Undeliverable data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TDCORRESP table consists of various fields, each holding specific information or linking keys about Fields for Correspondence, e.g. Action if Undeliverable data available in SAP. These include DUMMY_KEY (Empty key only for client-specific tables), BAD_ADDRESS_ACT (System Response When Correspondence Cannot Be Delivered)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .