BPM to Mail Interface testing

BPM to Mail Interface testing

BPM to Mail Interface testing: We have one interface BPM to Mail which is developed on XI3.0 ,10 years back, i have CR i need to replace one mail ID to another Mail ID i replaced it. now i need to test whether is it working or not.BPM is a intermediate step how can i test this interface whether it is working or not.

Can you please help out this.

Regards,

Gopi.