diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index d482322a054..677e6099a8d 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -70,6 +70,7 @@ complete_substitutions_array($substitutionarrayfortest, $langs);
 if ($action == 'update' && empty($_POST["cancel"]))
 {
 	dolibarr_set_const($db, "MAIN_DISABLE_ALL_MAILS",     GETPOST("MAIN_DISABLE_ALL_MAILS"),'chaine',0,'',$conf->entity);
+	dolibarr_set_const($db, "MAIN_MAIL_FORCE_SENDTO",     GETPOST("MAIN_MAIL_FORCE_SENDTO"),'chaine',0,'',$conf->entity);
 	// Send mode parameters
 	dolibarr_set_const($db, "MAIN_MAIL_SENDMODE",         GETPOST("MAIN_MAIL_SENDMODE"),'chaine',0,'',$conf->entity);
 	dolibarr_set_const($db, "MAIN_MAIL_SMTP_PORT",        GETPOST("MAIN_MAIL_SMTP_PORT"),'chaine',0,'',$conf->entity);
@@ -238,6 +239,11 @@ if ($action == 'edit')
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_DISABLE_ALL_MAILS").'</td><td>';
 	print $form->selectyesno('MAIN_DISABLE_ALL_MAILS',$conf->global->MAIN_DISABLE_ALL_MAILS,1);
 	print '</td></tr>';
+	
+	// Force e-mail recipient
+	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_MAIL_FORCE_SENDTO").'</td><td>';
+	print '<input class="flat" name="MAIN_MAIL_FORCE_SENDTO" size="32" value="' . (! empty($conf->global->MAIN_MAIL_FORCE_SENDTO)?$conf->global->MAIN_MAIL_FORCE_SENDTO:'') . '" />';
+	print '</td></tr>';
 
 	// Separator
 
@@ -477,6 +483,11 @@ else
 	// Disable
 
 	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_DISABLE_ALL_MAILS").'</td><td>'.yn($conf->global->MAIN_DISABLE_ALL_MAILS).'</td></tr>';
+	
+	// Force e-mail recipient
+	print '<tr class="oddeven"><td>'.$langs->trans("MAIN_MAIL_FORCE_SENDTO").'</td><td>'.$conf->global->MAIN_MAIL_FORCE_SENDTO;
+	if (! empty($conf->global->MAIN_MAIL_FORCE_SENDTO) && ! isValidEmail($conf->global->MAIN_MAIL_FORCE_SENDTO)) print img_warning($langs->trans("ErrorBadEMail"));
+	print '</td></tr>';
 
 	// Separator
 
diff --git a/htdocs/core/class/CMailFile.class.php b/htdocs/core/class/CMailFile.class.php
index 32d795db528..e19892e9a58 100644
--- a/htdocs/core/class/CMailFile.class.php
+++ b/htdocs/core/class/CMailFile.class.php
@@ -495,7 +495,7 @@ class CMailFile
 
 		$res=false;
 
-		if (empty($conf->global->MAIN_DISABLE_ALL_MAILS))
+		if (empty($conf->global->MAIN_DISABLE_ALL_MAILS) || !empty($conf->global->MAIN_MAIL_FORCE_SENDTO))
 		{
 			require_once DOL_DOCUMENT_ROOT . '/core/class/hookmanager.class.php';
 			$hookmanager = new HookManager($db);
@@ -563,6 +563,12 @@ class CMailFile
 				$keyfortls       ='MAIN_MAIL_EMAIL_TLS_EMAILING';
 				$keyforstarttls  ='MAIN_MAIL_EMAIL_STARTTLS_EMAILING';
 			}
+			
+			if(!empty($conf->global->MAIN_MAIL_FORCE_SENDTO)) {
+				$this->addr_to = $conf->global->MAIN_MAIL_FORCE_SENDTO;
+				$this->addr_cc = '';
+				$this->addr_bcc = '';
+			}
 
 			// Action according to choosed sending method
 			if ($this->sendmode == 'mail')
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index c7b835806c8..71acd0e71cb 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -272,6 +272,7 @@ MAIN_MAIL_EMAIL_FROM=Sender email for automatic emails (By default in php.ini: <
 MAIN_MAIL_ERRORS_TO=Sender email used for error returns emails sent
 MAIN_MAIL_AUTOCOPY_TO= Send systematically a hidden carbon-copy of all sent emails to
 MAIN_DISABLE_ALL_MAILS=Disable all emails sendings (for test purposes or demos)
+MAIN_MAIL_FORCE_SENDTO=Send all emails to (instead of real recipients, for test purposes)
 MAIN_MAIL_SENDMODE=Method to use to send EMails
 MAIN_MAIL_SMTPS_ID=SMTP ID if authentication required
 MAIN_MAIL_SMTPS_PW=SMTP Password if authentication required