diff --git a/pom.xml b/pom.xml
index 30d8f59de..795fe9304 100644
--- a/pom.xml
+++ b/pom.xml
@@ -613,8 +613,8 @@
       <scope>provided</scope>
     </dependency>
     <dependency>
-      <groupId>javax.mail</groupId>
-      <artifactId>javax.mail-api</artifactId>
+      <groupId>com.sun.mail</groupId>
+      <artifactId>javax.mail</artifactId>
       <version>1.5.2</version>
     </dependency>
     <dependency>
diff --git a/src/main/java/jp/sf/fess/helper/MailHelper.java b/src/main/java/jp/sf/fess/helper/MailHelper.java
index 19b256b16..3f98851c2 100644
--- a/src/main/java/jp/sf/fess/helper/MailHelper.java
+++ b/src/main/java/jp/sf/fess/helper/MailHelper.java
@@ -63,10 +63,8 @@ public class MailHelper implements Serializable {
             final MimeMessage msg = new MimeMessage(session);
             msg.setFrom(new InternetAddress(from));
             final InternetAddress[] address = new InternetAddress[toAddresses.length];
-            if (toAddresses.length > 1) {
-                for (int i = 1; i < toAddresses.length; i++) {
-                    address[i] = new InternetAddress(toAddresses[i]);
-                }
+            for (int i = 0; i < toAddresses.length; i++) {
+                address[i] = new InternetAddress(toAddresses[i]);
             }
             msg.setRecipients(Message.RecipientType.TO, address);
             msg.setSubject(subject);