add ConditionalOnProperty

src/main/java/stirling/software/SPDF/config/security/mail/EmailService.java

@@ -1,5 +1,6 @@
 package stirling.software.SPDF.config.security.mail;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.MimeMessageHelper;
 import org.springframework.scheduling.annotation.Async;
@@ -21,6 +22,7 @@ import stirling.software.SPDF.model.api.Email;
  */
 @Service
 @RequiredArgsConstructor
+@ConditionalOnProperty(value = "mail.enabled", havingValue = "true", matchIfMissing = false)
 public class EmailService {
 
     private final JavaMailSender mailSender;

src/main/java/stirling/software/SPDF/config/security/mail/MailConfig.java

@@ -2,6 +2,7 @@ package stirling.software.SPDF.config.security.mail;
 
 import java.util.Properties;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.mail.javamail.JavaMailSender;
@@ -20,6 +21,7 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Configuration
 @Slf4j
 @AllArgsConstructor
+@ConditionalOnProperty(value = "mail.enabled", havingValue = "true", matchIfMissing = false)
 public class MailConfig {
 
     private final ApplicationProperties applicationProperties;

src/main/java/stirling/software/SPDF/controller/api/EmailController.java

@@ -1,5 +1,6 @@
 package stirling.software.SPDF.controller.api;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -27,6 +28,7 @@ import stirling.software.SPDF.model.api.Email;
 @RequiredArgsConstructor
 @Slf4j
 @Tag(name = "General", description = "General APIs")
+@ConditionalOnProperty(value = "mail.enabled", havingValue = "true", matchIfMissing = false)
 public class EmailController {
     private final EmailService emailService;
 
@@ -39,9 +41,7 @@ public class EmailController {
      * @return ResponseEntity with success or error message.
      */
     @PostMapping(consumes = "multipart/form-data", value = "/send-email")
-    public ResponseEntity<String> sendEmailWithAttachment(
-            @Valid @ModelAttribute
-                    Email email) {
+    public ResponseEntity<String> sendEmailWithAttachment(@Valid @ModelAttribute Email email) {
         try {
             // Calls the service to send the email with attachment
             emailService.sendEmailWithAttachment(email);

src/main/java/stirling/software/SPDF/model/ApplicationProperties.java

@@ -424,6 +424,7 @@ public class ApplicationProperties {
 
     @Data
     public static class Mail {
+        private boolean enabled;
         private String host;
         private int port;
         private String username;

src/main/java/stirling/software/SPDF/model/api/Email.java

@@ -1,5 +1,6 @@
 package stirling.software.SPDF.model.api;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -11,6 +12,7 @@ import lombok.NoArgsConstructor;
 @Data
 @NoArgsConstructor
 @EqualsAndHashCode
+@ConditionalOnProperty(value = "mail.enabled", havingValue = "true", matchIfMissing = false)
 public class Email {
     @Schema(
             description = "The input file",

src/main/resources/settings.yml.template

@@ -77,6 +77,7 @@ premium:
       appId: ''
 
 mail:
+  enabled: true # set to 'true' to enable sending emails
   host: smtp.example.com # SMTP server hostname
   port: 587 # SMTP server port
   username: '' # SMTP server username