diff --git a/dspace-api/src/main/java/org/dspace/checker/DailyReportEmailer.java b/dspace-api/src/main/java/org/dspace/checker/DailyReportEmailer.java
index 4e64cad1d6..03c65eb103 100644
--- a/dspace-api/src/main/java/org/dspace/checker/DailyReportEmailer.java
+++ b/dspace-api/src/main/java/org/dspace/checker/DailyReportEmailer.java
@@ -86,7 +86,7 @@ public class DailyReportEmailer
         props.put("mail.smtp.host", server);
 
         // Get session
-        Session session = Session.getDefaultInstance(props, null);
+        Session session = Session.getInstance(props, null);
 
         MimeMessage msg = new MimeMessage(session);
         Multipart multipart = new MimeMultipart();
diff --git a/dspace-api/src/main/java/org/dspace/core/Email.java b/dspace-api/src/main/java/org/dspace/core/Email.java
index 41728c5c84..c24c17c103 100644
--- a/dspace-api/src/main/java/org/dspace/core/Email.java
+++ b/dspace-api/src/main/java/org/dspace/core/Email.java
@@ -270,7 +270,7 @@ public class Email
             props.put("mail.smtp.auth", "true");
             SMTPAuthenticator smtpAuthenticator = new SMTPAuthenticator(
                     username, password);
-            session = Session.getDefaultInstance(props, smtpAuthenticator);
+            session = Session.getInstance(props, smtpAuthenticator);
         }
         else
         {