Fix notification module

application/src/main/java/cz/muni/pa165/data/model/Application.java

@@ -2,10 +2,7 @@ package cz.muni.pa165.data.model;
 
 import cz.muni.pa165.data.enums.ApplicationStatusEnum;
 import jakarta.persistence.*;
-import jakarta.validation.constraints.NotEmpty;
-import jakarta.validation.constraints.NotNull;
-import jakarta.validation.constraints.Past;
-import jakarta.validation.constraints.PastOrPresent;
+import jakarta.validation.constraints.*;
 
 import java.io.Serializable;
 import java.time.LocalDate;
@@ -34,6 +31,7 @@ public class Application implements Serializable {
     @NotNull
     private LocalDate birthday;
 
+    @Email
     private String email;
 
     @Column(name = "filling_out_date")