diff --git a/scripts/contracts/email_expire_services_to_customers.php b/scripts/contracts/email_expire_services_to_customers.php
index def494d8159..d497274238e 100755
--- a/scripts/contracts/email_expire_services_to_customers.php
+++ b/scripts/contracts/email_expire_services_to_customers.php
@@ -245,6 +245,11 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldcustomer,$dura
     if ($mode == 'confirm')
     {
     	$result=$mail->sendfile();
+    	if (! $result)
+    	{
+    		print "Error sending email ".$mail->error."\n";
+    		dol_syslog("Error sending email ".$mail->error."\n");
+    	}
     }
     else
     {
diff --git a/scripts/contracts/email_expire_services_to_representatives.php b/scripts/contracts/email_expire_services_to_representatives.php
index 08b6d9bde7d..9e070848235 100755
--- a/scripts/contracts/email_expire_services_to_representatives.php
+++ b/scripts/contracts/email_expire_services_to_representatives.php
@@ -244,6 +244,11 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldsalerepresenta
     if ($mode == 'confirm')
     {
     	$result=$mail->sendfile();
+    	if (! $result)
+    	{
+    		print "Error sending email ".$mail->error."\n";
+    		dol_syslog("Error sending email ".$mail->error."\n");
+    	}
     }
     else
     {
diff --git a/scripts/invoices/email_unpaid_invoices_to_customers.php b/scripts/invoices/email_unpaid_invoices_to_customers.php
index cf9e5f283b0..6de28e592c3 100755
--- a/scripts/invoices/email_unpaid_invoices_to_customers.php
+++ b/scripts/invoices/email_unpaid_invoices_to_customers.php
@@ -264,6 +264,11 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldtarget)
     if ($mode == 'confirm')
     {
     	$result=$mail->sendfile();
+    	if (! $result)
+    	{
+    		print "Error sending email ".$mail->error."\n";
+    		dol_syslog("Error sending email ".$mail->error."\n");
+    	}
     }
     else
     {
diff --git a/scripts/invoices/email_unpaid_invoices_to_representatives.php b/scripts/invoices/email_unpaid_invoices_to_representatives.php
index 24577a75d21..1ceaee6bb18 100755
--- a/scripts/invoices/email_unpaid_invoices_to_representatives.php
+++ b/scripts/invoices/email_unpaid_invoices_to_representatives.php
@@ -239,6 +239,11 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldsalerepresenta
     if ($mode == 'confirm')
     {
     	$result=$mail->sendfile();
+    	if (! $result)
+    	{
+    		print "Error sending email ".$mail->error."\n";
+    		dol_syslog("Error sending email ".$mail->error."\n");
+    	}
     }
     else
     {