Make SMTP configuration elements optional.

AutoTx/Resources/configuration-example.xml

@@ -62,12 +62,6 @@
         <ProcessName>wordpad</ProcessName>
     </BlacklistedProcesses>
 
-    <SmtpHost>smtp.mydomain.xy</SmtpHost>
-    <!--><SmtpHost /><-->
-    <SmtpPort>25</SmtpPort>
-    <SmtpUserCredential />
-    <SmtpPasswortCredential />
-
     <!-- SendAdminNotification: send email to user on finished transfers -->
     <SendTransferNotification>true</SendTransferNotification>
     <EmailFrom>admin@mydomain.xy</EmailFrom>
@@ -85,6 +79,15 @@
 
     <!--  OPTIONAL CONFIGURATION SETTINGS  -->
 
+    <!-- SmtpHost: SMTP server hostname -->
+    <SmtpHost>smtp.mydomain.xy</SmtpHost>
+    <!-- SmtpPort: SMTP server port, defaults to 25 if omitted -->
+    <SmtpPort>25</SmtpPort>
+    <!-- SmtpUserCredential: SMTP user name if authentication required -->
+    <SmtpUserCredential />
+    <!-- SmtpPasswortCredential: SMTP password if authentication required -->
+    <SmtpPasswortCredential />
+
     <!-- EnforceInheritedACLs: whether to enforce ACL inheritance when moving
          files and directories, see this page for details (DEFAULT: true)
          https://support.microsoft.com/en-us/help/320246 -->

AutoTx/XmlWrapper/ServiceConfig.cs

@@ -14,8 +14,14 @@ namespace AutoTx.XmlWrapper
     {
         public ServiceConfig() {
             // set values for the optional XML elements:
+            SmtpHost = "";
+            SmtpPort = 25;
+            SmtpUserCredential = "";
+            SmtpPasswortCredential = "";
             EnforceInheritedACLs = true;
         }
+
+        #region required configuration parameters
         
         /// <summary>
         /// A human friendly name for the host, to be used in emails etc.
@@ -59,9 +65,7 @@ namespace AutoTx.XmlWrapper
         /// to keep the temporary data of running transfers.
         /// </summary>
         public string TmpTransferDir { get; set; }
-        public string SmtpHost { get; set; }
-        public string SmtpUserCredential { get; set; }
-        public string SmtpPasswortCredential { get; set; }
+
         public string EmailFrom { get; set; }
         public string AdminEmailAdress { get; set; }
         public string AdminDebugEmailAdress { get; set; }
@@ -71,7 +75,6 @@ namespace AutoTx.XmlWrapper
         public int InterPacketGap { get; set; }
         public int MaxCpuUsage { get; set; }
         public int MinAvailableMemory { get; set; }
-        public int SmtpPort { get; set; }
         public int AdminNotificationDelta { get; set; }
         public int StorageNotificationDelta { get; set; }
 
@@ -93,10 +96,16 @@ namespace AutoTx.XmlWrapper
         [XmlArrayItem(ElementName = "ProcessName")]
         public List<string> BlacklistedProcesses { get; set; }
 
+        #endregion
 
 
         #region optional configuration parameters
 
+        public string SmtpHost { get; set; }
+        public string SmtpUserCredential { get; set; }
+        public string SmtpPasswortCredential { get; set; }
+        public int SmtpPort { get; set; }
+
         /// <summary>
         /// EnforceInheritedACLs: whether to enforce ACL inheritance when moving files and
         /// directories, see https://support.microsoft.com/en-us/help/320246 for more details.