v1.0.1 Check whether the content is empty in email service

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.example</groupId>
     <artifactId>guerrilla</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
     <name>guerrilla</name>
     <description>Hit and Run</description>
     <properties>
@@ -15,7 +15,7 @@
         <maven-compiler-plugin.version>3.14.0</maven-compiler-plugin.version>
         <jsoup.version>1.19.1</jsoup.version>
         <java.mail.version>1.6.2</java.mail.version>
-        <guava.version>33.1.0-jre</guava.version>
+        <guava.version>33.4.7-jre</guava.version>
     </properties>
 
     <dependencyManagement>

src/main/java/com/example/guerrilla/service/EmailService.java

@@ -28,9 +28,10 @@ public class EmailService {
 			String content) {
 		try {
 			logger.debug("[sendEmail] fromAddress: {}, toAddresses: {}", fromAddress, toAddresses);
-			if (StringUtils.isEmpty(subject) || StringUtils.isEmpty(smtpPassword) || StringUtils.isEmpty(fromAddress)
-					|| toAddresses.length == 0) {
-				logger.warn("[sendEmail] subject, smtp-password, source-address or target-address is not set");
+			if (StringUtils.isEmpty(subject) || StringUtils.isEmpty(content) || StringUtils.isEmpty(smtpPassword)
+					|| StringUtils.isEmpty(fromAddress) || toAddresses.length == 0) {
+				logger.warn(
+						"[sendEmail] Either subject, content, smtp-password, source-address or target-address is not set");
 				return false;
 			}
 			String emailHost = javaMailProperties.getProperty("mail.smtp.host");