diff --git a/all/pom.xml b/all/pom.xml
index 0f179b27de..df03ccde6f 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -161,6 +161,13 @@
       <scope>compile</scope>
       <optional>true</optional>
     </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>netty-codec-smtp</artifactId>
+      <version>${project.version}</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
     <dependency>
       <groupId>${project.groupId}</groupId>
       <artifactId>netty-codec-socks</artifactId>