diff --git a/pom.xml b/pom.xml
index 26d02d7..f7811f2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,6 +45,7 @@
         <check.fail-dependency>false</check.fail-dependency>
         <check.fail-spotbugs>true</check.fail-spotbugs>
         <check.spotbugs-exclude-filter-file>spotbugs-exclude.xml</check.spotbugs-exclude-filter-file>
+        <commons-logging.version>1.3.0</commons-logging.version>
         <maven.javadoc.failOnError>false</maven.javadoc.failOnError>
         <osgi.export>org.killbill.billing.plugin.notification.api,org.killbill.billing.plugin.notification.generator.*</osgi.export>
         <osgi.private>org.killbill.billing.plugin.notification.*</osgi.private>
@@ -91,6 +92,11 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+            <version>${commons-logging.version}</version>
+        </dependency>
         <dependency>
             <groupId>io.zonky.test</groupId>
             <artifactId>embedded-postgres</artifactId>
@@ -113,7 +119,6 @@
         <dependency>
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
-            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
diff --git a/src/main/java/org/killbill/billing/plugin/notification/email/EmailSender.java b/src/main/java/org/killbill/billing/plugin/notification/email/EmailSender.java
index 4c4eafc..49d5691 100644
--- a/src/main/java/org/killbill/billing/plugin/notification/email/EmailSender.java
+++ b/src/main/java/org/killbill/billing/plugin/notification/email/EmailSender.java
@@ -69,7 +69,7 @@ public class EmailSender {
     private static final String EMAIL_NOTIFICATION_VIA_SES = "org.killbill.email.notification.via.ses";
     private static final String AWS_REGION = "org.killbill.aws.region";
 
-    private static final String DEFAULT_AWS_REGION = "us-east-1";
+    private static final String DEFAULT_AWS_REGION = "US_EAST_1";
 
     private final boolean useSmtpAuth;
     private final int useSmtpPort;
@@ -216,7 +216,7 @@ private void sendEmailViaSES(final List<String> to, final List<String> cc, final
             return;
         }
 
-        final Regions region = Regions.valueOf(awsRegion);
+        final Regions region = Regions.valueOf(awsRegion.toUpperCase());
 
         final AmazonSimpleEmailService client = AmazonSimpleEmailServiceClientBuilder.standard()
                                                                                      .withRegion(region)
diff --git a/src/test/java/org/killbill/billing/plugin/notification/email/TestEmailSender.java b/src/test/java/org/killbill/billing/plugin/notification/email/TestEmailSender.java
index 3e30958..1ab0359 100644
--- a/src/test/java/org/killbill/billing/plugin/notification/email/TestEmailSender.java
+++ b/src/test/java/org/killbill/billing/plugin/notification/email/TestEmailSender.java
@@ -35,9 +35,14 @@ public class TestEmailSender {
     private static final String TEST_SMTP_PWD = "bar";
     private static final String TEST_SMTP_FROM = "caramel@mou.com";
 
+    private static final String AWS_REGION = "us-east-1";
+
+
     @Test(enabled = false)
     public void foo() throws IOException, EmailException, EmailNotificationException {
-        EmailSender sender = new EmailSender(TEST_SMTP_SERVER_NAME, TEST_SMPT_SERVER_PORT, TEST_SMTP_USER, TEST_SMTP_PWD, TEST_SMTP_FROM, true, false, false);
+        final EmailSender sender = new EmailSender(TEST_SMTP_SERVER_NAME, TEST_SMPT_SERVER_PORT, TEST_SMTP_USER,
+                                                   TEST_SMTP_PWD, TEST_SMTP_FROM, true, false,
+                                                   false, AWS_REGION, false);
         final String to = "something_that_works@gmail.com";
         sender.sendPlainTextEmail(ImmutableList.of(to), ImmutableList.<String>of(), "coucou", "body", Mockito.mock(SmtpProperties.class));
     }