diff --git a/htdocs/admin/mailing.php b/htdocs/admin/mailing.php
index 8808849b7ca..bad34ac83b2 100644
--- a/htdocs/admin/mailing.php
+++ b/htdocs/admin/mailing.php
@@ -44,14 +44,11 @@ if ($action == 'setvalue' && $user->admin)
 	
 	$mailfrom = GETPOST('MAILING_EMAIL_FROM','alpha');
 	$mailerror = GETPOST('MAILING_EMAIL_ERRORSTO','alpha');
-	$checkread = GETPOST('value','alpha');
 	
 	$res=dolibarr_set_const($db, "MAILING_EMAIL_FROM",$mailfrom,'chaine',0,'',$conf->entity);
 	if (! $res > 0) $error++;
 	$res=dolibarr_set_const($db, "MAILING_EMAIL_ERRORSTO",$mailerror,'chaine',0,'',$conf->entity);
 	if (! $res > 0) $error++;
-	$res=dolibarr_set_const($db, "MAIN_SOCIETE_UNSUBSCRIBE",$checkread,'chaine',0,'',$conf->entity);
-	if (! $res > 0) $error++;
 	
  	if (! $error)
     {
@@ -104,25 +101,6 @@ print '<input size="32" type="text" name="MAILING_EMAIL_ERRORSTO" value="'.$conf
 if (!empty($conf->global->MAILING_EMAIL_ERRORSTO) && ! isValidEmail($conf->global->MAILING_EMAIL_ERRORSTO)) print ' '.img_warning($langs->trans("BadEMail"));
 print '</td></tr>';
 
-$var=!$var;
-print '<tr '.$bc[$var].'><td>';
-print $langs->trans("ActivateCheckRead").'</td><td>';
-if ($conf->global->MAIN_SOCIETE_UNSUBSCRIBE==1)
-{
-	print '<a href="'.$_SERVER["PHP_SELF"].'?action=setvalue&value=0">';
-	print img_picto($langs->trans("Enabled"),'switch_on');
-	print '</a>';
-}
-else
-{
-	print '<a href="'.$_SERVER["PHP_SELF"].'?action=setvalue&value=1">';
-	print img_picto($langs->trans("Disabled"),'switch_off');
-	print '</a>';
-}
-print '</td></tr>';
-
-
-
 print '<tr><td colspan="3" align="center"><input type="submit" class="button" value="'.$langs->trans("Modify").'"></td></tr>';
 print '</table></form>';
 
diff --git a/htdocs/comm/mailing/fiche.php b/htdocs/comm/mailing/fiche.php
index bf74bf0ad08..5f02441159c 100644
--- a/htdocs/comm/mailing/fiche.php
+++ b/htdocs/comm/mailing/fiche.php
@@ -49,7 +49,6 @@ $substitutionarray=array(
 		'__EMAIL__' => 'EMail',
 		'__LASTNAME__' => 'Lastname',
 		'__FIRSTNAME__' => 'Firstname',
-		'__MAILTOEMAIL__' => 'MailtoEmail',
 		'__OTHER1__' => 'Other1',
 		'__OTHER2__' => 'Other2',
 		'__OTHER3__' => 'Other3',
@@ -74,7 +73,6 @@ $substitutionarrayfortest=array(
 		'__EMAIL__' => 'TESTEMail',
 		'__LASTNAME__' => 'TESTLastname',
 		'__FIRSTNAME__' => 'TESTFirstname',
-		'__MAILTOEMAIL__' => 'TESTMailtoEmail',
 		'__OTHER1__' => 'TESTOther1',
 		'__OTHER2__' => 'TESTOther2',
 		'__OTHER3__' => 'TESTOther3',
@@ -210,9 +208,8 @@ if ($action == 'sendallconfirmed' && $confirm == 'yes')
 					$substitutionarray=array(
 							'__ID__' => $obj->source_id,
 							'__EMAIL__' => $obj->email,
-							'__CHECK_READ__' => '<img src="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-read.php?tag='.$obj->tag.'" width="1" height="1" style="width:1px;height:1px" border="0"/>',
+							'__CHECK_READ__' => '<img src="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-read.php?tag='.$obj->tag.'" width="0" height="0" style="width:0px;height:0px" border="0"/>',
 							'__UNSUSCRIBE__' => '<a href="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-unsubscribe.php?tag='.$obj->tag.'&unsuscrib=1" target="_blank">'.$langs->trans("MailUnsubcribe").'</a>',
-							'__MAILTOEMAIL__' => '<a href="mailto:'.$obj->email.'">'.$obj->email.'</a>',
 							'__LASTNAME__' => $obj->nom,
 							'__FIRSTNAME__' => $obj->prenom,
 							'__OTHER1__' => $other1,
@@ -1051,7 +1048,6 @@ else
     			print '__CHECK_READ__ = '.$langs->trans("CheckRead").'<br>';
 	    		print '__UNSUSCRIBE__ = '.$langs->trans("MailUnsubcribe").'<br>';
             }
-            print '__MAILTOEMAIL__ = '.$langs->trans("MailtoEMail").'<br>';
 			print '__LASTNAME__ = '.$langs->trans("Lastname").'<br>';
 			print '__FIRSTNAME__ = '.$langs->trans("Firstname").'<br>';
 			print '__OTHER1__ = '.$langs->trans("Other").'1<br>';
diff --git a/htdocs/langs/en_US/mails.lang b/htdocs/langs/en_US/mails.lang
index d5deed6ec64..9ada97fc97b 100644
--- a/htdocs/langs/en_US/mails.lang
+++ b/htdocs/langs/en_US/mails.lang
@@ -75,8 +75,6 @@ SentTo=Sent to <b>%s</b>
 MailingStatusRead=Read
 CheckRead=Read Receipt
 YourMailUnsubcribeOK=The email <b>%s</b>  is correctly unsubcribe from mailing list
-MailtoEMail=Hyper link to email
-ActivateCheckRead=Activate Read receipt and unsubcribe tag
 
 # Libelle des modules de liste de destinataires mailing
 MailingModuleDescContactCompanies=Contacts of all third parties (customer, prospect, supplier, ...)
diff --git a/htdocs/langs/fr_FR/mails.lang b/htdocs/langs/fr_FR/mails.lang
index 9e1b08b84d1..c80a79615aa 100644
--- a/htdocs/langs/fr_FR/mails.lang
+++ b/htdocs/langs/fr_FR/mails.lang
@@ -75,8 +75,6 @@ SentTo=Envoyés à <b>%s</b>
 MailingStatusRead=Lu
 CheckRead=Accusé de lecture
 YourMailUnsubcribeOK=L'adresse e-mail <b>%s</b> est bien désincrite de la liste.
-MailtoEMail=Ecrire a e-mail (lien)
-ActivateCheckRead=Activer les tag d'accusé de lecture et de désincription
 
 # Libelle des modules de liste de destinataires mailing
 MailingModuleDescContactCompanies=Contacts de tiers (prospects, clients, fournisseurs...)
diff --git a/scripts/emailings/mailing-send.php b/scripts/emailings/mailing-send.php
index 98b4439ad5c..3ccca19e5e8 100644
--- a/scripts/emailings/mailing-send.php
+++ b/scripts/emailings/mailing-send.php
@@ -139,9 +139,8 @@ if ($resql)
 			$substitutionarray=array(
 				'__ID__' => $obj->source_id,
 				'__EMAIL__' => $obj->email,
-				'__CHECK_READ__' => '<img src="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-read.php?tag='.$obj->tag.'" width="1" height="1" style="width:1px;height:1px" border="0"/>',
+				'__CHECK_READ__' => '<img src="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-read.php?tag='.$obj->tag.'" width="0" height="0" style="width:0px;height:0px" border="0"/>',
 				'__UNSUSCRIBE__' => '<a href="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-unsubscribe.php?tag='.$obj->tag.'&unsuscrib=1" target="_blank">'.$langs->trans("MailUnsubcribe").'</a>',
-				'__MAILTOEMAIL__' => '<a href="mailto:'.$obj->email.'">'.$obj->email.'</a>',
 				'__LASTNAME__' => $obj->lastname,
 				'__FIRSTNAME__' => $obj->firstname,
 				'__OTHER1__' => $other1,