diff --git a/mail/send_mail.anubis b/mail/send_mail.anubis
index 6159f80..19196a9 100644
--- a/mail/send_mail.anubis
+++ b/mail/send_mail.anubis
@@ -38,7 +38,7 @@ define Int        _sendmail_time_out     = 300.  //5 minutes of timeout
 public type Smtp_Recipient:
   smtp_recipient(String         email,      //email address of the recipient
 
-                 Int            nb_tries,
+                 Send_Tries     nb_tries,
                  Int            uid,        //parameter used by handle_status (mail_uid)
                  Int            uid2        //same                            (contact_id)
                  ). 
@@ -48,7 +48,7 @@ public type Smtp_Recipient:
 public type Send_Param:
   send_param( Str_HostName  host_name,        //domain of the sender like "mail.calexium.com"
               Str_Sender    sender,           //sender email address
-              List(Data_IO) mail_parts, //all parts of the email to send
+              List(Data_IO) mail_parts,       //all parts of the email to send
               List(Smtp_Recipient) recipients,  //recipient email address
               SmtpAuth      auth,             //
               Str_UID       mail_uid,
@@ -110,7 +110,8 @@ define Result(SmtpClientResult, One)
     SmtpClientSession         sm_session, //smtp session
     (Int) -> One              progress_report,  //don't know what it is for the moment
     (LogLevel, String) -> One logger,      //logger
-    (Result(SmtpClientResult, One), Smtp_Recipient) -> One handle_result
+    (Result(SmtpClientResult, One), Smtp_Recipient) -> One handle_result,
+    Bool                      unique_recipient
   )=
   if recipients is
   {
@@ -123,9 +124,12 @@ define Result(SmtpClientResult, One)
         //email to the next recipient within the same smtp session
         if length(tail) > 0 then
           send_rset(conn, sm_session, _sendmail_time_out, logger);
-          send_to_recipients_list(conn, param, tail, sm_session, progress_report, logger, handle_result)
+          send_to_recipients_list(conn, param, tail, sm_session, progress_report, logger, handle_result, unique_recipient)
         else
-          ok(unique)
+          if unique_recipient then
+            result
+          else
+            ok(unique)
   }
   .
   
@@ -169,7 +173,11 @@ public define Result(SmtpClientResult, One)
                   {
                     error(prepare_result) then error(prepare_result),
                     ok(new_param)         then 
-                      with result =  send_to_recipients_list(conn, new_param, new_param.recipients, sm_session, progress_report, logger, handle_result),
+                      with result =  
+                        if length(new_param.recipients) > 1 then
+                          send_to_recipients_list(conn, new_param, new_param.recipients, sm_session, progress_report, logger, handle_result, false)
+                        else
+                          send_to_recipients_list(conn, new_param, new_param.recipients, sm_session, progress_report, logger, handle_result, true),
                         send_quit(conn, sm_session, _sendmail_time_out, logger);
                         result                      
                   }
@@ -238,7 +246,7 @@ public define Result(SmtpClientResult, One)
           error(error),
       
         ok(server_conn)        then 
-          send_mail(server_conn, param, (Result(SmtpClientResult, One) dum, Smtp_Recipient my) |-> unique),
+          send_mail(server_conn, param, (Result(SmtpClientResult, One) dum, Smtp_Recipient my) |-> println("send_mail Result(SmtpClientResult, One) ignored ")),
       }
   }.
   
diff --git a/mail/send_mail_type.anubis b/mail/send_mail_type.anubis
index fc047f0..69c1996 100644
--- a/mail/send_mail_type.anubis
+++ b/mail/send_mail_type.anubis
@@ -23,6 +23,9 @@ public type Str_Recipient:
 
 public type Str_UID:
   str_UID(String str).
+
+public type Send_Tries:
+  send_tries(Int number).
   
 public type Send_Status:
   ready,                              //ready to send 
--
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