Index: src/Appender/SmtpAppender.cs
===================================================================
--- src/Appender/SmtpAppender.cs	(revision 664664)
+++ src/Appender/SmtpAppender.cs	(working copy)
@@ -307,6 +307,18 @@
 			set { m_mailPriority = value; }
 		}
 
+        /// <summary>
+        /// Enable or disable use of SSL when sending e-mail message
+        /// </summary>
+        /// <remarks>
+        /// This is available on MS .NET 2.0 runtime and higher
+        /// </remarks>
+        public bool EnableSsl
+        {
+            get { return m_enableSsl; }
+            set { m_enableSsl = value; }
+        }
+
 		#endregion // Public Instance Properties
 
 		#region Override implementation of BufferingAppenderSkeleton
@@ -390,6 +402,7 @@
 			}
 			smtpClient.Port = m_port;
 			smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
+            smtpClient.EnableSsl = m_enableSsl;
 
 			if (m_authentication == SmtpAuthentication.Basic)
 			{
@@ -516,6 +529,8 @@
 
 		private MailPriority m_mailPriority = MailPriority.Normal;
 
+        private bool m_enableSsl = false;
+
 		#endregion // Private Instance Fields
 
 		#region SmtpAuthentication Enum