"username,password,role",
"Marketing,MAR@SUE2025,sender",
"Admin,P@ssw0rdCOMP,receiver",
"admission1,SUE#2025#,sender",
"user2,SUE@user02,sender",
"user2,SUE@user01,sender",
"user2,SUE@user02,sender",
"user3,SUE@user03,sender",