diff --git a/src/java/net/brutex/xservices/ws/MiscService.java b/src/java/net/brutex/xservices/ws/MiscService.java
index b84d5e4..c437501 100644
--- a/src/java/net/brutex/xservices/ws/MiscService.java
+++ b/src/java/net/brutex/xservices/ws/MiscService.java
@@ -60,9 +60,10 @@ public interface MiscService {
      */
     @WebMethod(operationName = "sendMailSimple")
     @WSDLDocumentation(value = "Send an email (simple).")
-    public ReturnCode sendMailSimple(@WebParam(name = "mailhost") HostConnection mailhost,
-            @WebParam(name = "from") String from,
-            @WebParam(name = "to") String tolist,
+    public ReturnCode sendMailSimple(
+    		@WebParam(name = "mailhost") @XmlElement(minOccurs="1", nillable=false) HostConnection mailhost,
+            @WebParam(name = "from") @XmlElement(minOccurs="1", nillable=false) String from,
+            @WebParam(name = "to") @XmlElement(minOccurs="1", nillable=false) String tolist,
             @WebParam(name = "subject") String subject,
             @WebParam(name = "message") String message);
 
@@ -78,9 +79,10 @@ public interface MiscService {
      */
     @WebMethod(operationName = "sendMailSimpleWithAttachment")
     @WSDLDocumentation(value = "Send an email with attachment (simple).")
-    public ReturnCode sendMailSimpleWithAttachment(@WebParam(name = "mailhost") HostConnection mailhost,
-            @WebParam(name = "from") String from,
-            @WebParam(name = "to") String tolist,
+    public ReturnCode sendMailSimpleWithAttachment(
+    		@WebParam(name = "mailhost") @XmlElement(minOccurs="1", nillable=false) HostConnection mailhost,
+            @WebParam(name = "from") @XmlElement(minOccurs="1", nillable=false) String from,
+            @WebParam(name = "to") @XmlElement(minOccurs="1", nillable=false) String tolist,
             @WebParam(name = "subject") String subject,
             @WebParam(name = "message") String message,
             @WebParam(name = "attachments") FileSetResource res);
@@ -103,9 +105,10 @@ public interface MiscService {
      */
     @WebMethod(operationName = "sendMail")
     @WSDLDocumentation(value = "Send an email (advanced).")
-    public ReturnCode sendMail(@WebParam(name = "mailhost") HostConnection mailhost,
-            @WebParam(name = "from") String from,
-            @WebParam(name = "to") String tolist,
+    public ReturnCode sendMail(
+    		@WebParam(name = "mailhost") @XmlElement(minOccurs="1", nillable=false) HostConnection mailhost,
+            @WebParam(name = "from") @XmlElement(minOccurs="1", nillable=false) String from,
+            @WebParam(name = "to") @XmlElement(minOccurs="1", nillable=false) String tolist,
             @WebParam(name = "cc") String cclist,
             @WebParam(name = "bcc") String bcclist,
             @WebParam(name = "subject") String subject,
@@ -124,7 +127,8 @@ public interface MiscService {
      */
     @WebMethod(operationName = "sleep")
     @WSDLDocumentation(value = "Delay request response a specified duration.")
-    public ReturnCode sleep(@WebParam(name = "minutes") int minutes,
+    public ReturnCode sleep(
+    		@WebParam(name = "minutes") int minutes,
             @WebParam(name = "seconds") int seconds);