diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index 38acaac0fc9..04b631b7ee1 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -738,6 +738,11 @@ class ActionComm extends CommonObject
 	{
 		global $langs;
 
+		if (empty($id) && empty($ref) && empty($ref_ext) && empty($email_msgid)) {
+			dol_syslog(get_class($this)."::fetch Bad parameters", LOG_WARNING);
+			return -1;
+		}
+
 		$sql = "SELECT a.id,";
 		$sql .= " a.ref as ref,";
 		$sql .= " a.entity,";
diff --git a/htdocs/emailcollector/class/emailcollector.class.php b/htdocs/emailcollector/class/emailcollector.class.php
index efb4fe82da7..c39f97994b4 100644
--- a/htdocs/emailcollector/class/emailcollector.class.php
+++ b/htdocs/emailcollector/class/emailcollector.class.php
@@ -1610,7 +1610,7 @@ class EmailCollector extends CommonObject
 
 					// Make Operation
 					dol_syslog("Execute action ".$operation['type']." actionparam=".$operation['actionparam'].' thirdpartystatic->id='.$thirdpartystatic->id.' contactstatic->id='.$contactstatic->id.' projectstatic->id='.$projectstatic->id);
-					dol_syslog("Execute action fk_element_id=".$fk_element_id." fk_element_type=".$fk_element_type);
+					dol_syslog("Execute action fk_element_id=".$fk_element_id." fk_element_type=".$fk_element_type);	// If a Dolibarr tracker id is found, we should now the id of object
 
 					$actioncode = 'EMAIL_IN';
 					// If we scan the Sent box, we use the code for out email
diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index 72d78178cf1..23b1fb9413e 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -1134,4 +1134,5 @@ ConfirmAffectTagQuestion=Are you sure you want to affect tags to the %s selected
 CategTypeNotFound=No tag type found for type of records
 CopiedToClipboard=Copied to clipboard
 InformationOnLinkToContract=This amount is only the total of all the lines of the contract. No notion of time is taken into consideration.
-ConfirmCancel=Are you sure you want to cancel
\ No newline at end of file
+ConfirmCancel=Are you sure you want to cancel
+EmailMsgID=Email MsgID
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index e381aaabfb3..ce2db90fa5d 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -253,6 +253,7 @@ class Project extends CommonObject
 		'fk_user_creat' =>array('type'=>'integer', 'label'=>'UserCreation', 'enabled'=>1, 'visible'=>0, 'notnull'=>1, 'position'=>210),
 		'fk_user_modif' =>array('type'=>'integer', 'label'=>'UserModification', 'enabled'=>1, 'visible'=>0, 'position'=>215),
 		'import_key' =>array('type'=>'varchar(14)', 'label'=>'ImportId', 'enabled'=>1, 'visible'=>0, 'position'=>220),
+		'email_msgid'=>array('type'=>'varchar(255)', 'label'=>'EmailMsgID', 'enabled'=>1, 'visible'=>-1, 'position'=>250, 'help'=>'EmailMsgIDWhenSourceisEmail'),
 		'fk_statut' =>array('type'=>'smallint(6)', 'label'=>'Status', 'enabled'=>1, 'visible'=>1, 'notnull'=>1, 'position'=>500)
 	);
 	// END MODULEBUILDER PROPERTIES
@@ -583,7 +584,8 @@ class Project extends CommonObject
 	{
 		global $conf;
 
-		if (empty($id) && empty($ref)) {
+		if (empty($id) && empty($ref) && empty($ref_ext) && empty($email_msgid)) {
+			dol_syslog(get_class($this)."::fetch Bad parameters", LOG_WARNING);
 			return -1;
 		}
 
diff --git a/htdocs/projet/list.php b/htdocs/projet/list.php
index c95ae10e79a..502f2bed071 100644
--- a/htdocs/projet/list.php
+++ b/htdocs/projet/list.php
@@ -25,7 +25,7 @@
 
 /**
  *	\file       htdocs/projet/list.php
- *	\ingroup    projet
+ *	\ingroup    project
  *	\brief      Page to list projects
  */
 
@@ -333,6 +333,7 @@ $distinct = 'DISTINCT'; // We add distinct until we are added a protection to be
 $sql = "SELECT ".$distinct." p.rowid as id, p.ref, p.title, p.fk_statut as status, p.fk_opp_status, p.public, p.fk_user_creat,";
 $sql .= " p.datec as date_creation, p.dateo as date_start, p.datee as date_end, p.opp_amount, p.opp_percent, (p.opp_amount*p.opp_percent/100) as opp_weighted_amount, p.tms as date_update, p.budget_amount,";
 $sql .= " p.usage_opportunity, p.usage_task, p.usage_bill_time, p.usage_organize_event,";
+$sql .= " p.email_msgid,";
 $sql .= " accept_conference_suggestions, accept_booth_suggestions, price_registration, price_booth,";
 $sql .= " s.rowid as socid, s.nom as name, s.name_alias as alias, s.email, s.email, s.phone, s.fax, s.address, s.town, s.zip, s.fk_pays, s.client, s.code_client,";
 $sql .= " country.code as country_code,";
@@ -861,6 +862,11 @@ if (!empty($arrayfields['p.tms']['checked'])) {
 	print '<td class="liste_titre">';
 	print '</td>';
 }
+if (!empty($arrayfields['p.email_msgid']['checked'])) {
+	// Email msg id
+	print '<td class="liste_titre">';
+	print '</td>';
+}
 if (!empty($arrayfields['p.fk_statut']['checked'])) {
 	print '<td class="liste_titre nowrap right">';
 	$arrayofstatus = array();
@@ -953,6 +959,9 @@ if (!empty($arrayfields['p.datec']['checked'])) {
 if (!empty($arrayfields['p.tms']['checked'])) {
 	print_liste_field_titre($arrayfields['p.tms']['label'], $_SERVER["PHP_SELF"], "p.tms", "", $param, '', $sortfield, $sortorder, 'center nowrap ');
 }
+if (!empty($arrayfields['p.email_msgid']['checked'])) {
+	print_liste_field_titre($arrayfields['p.email_msgid']['label'], $_SERVER["PHP_SELF"], "p.email_msgid", "", $param, '', $sortfield, $sortorder, 'center ');
+}
 if (!empty($arrayfields['p.fk_statut']['checked'])) {
 	print_liste_field_titre($arrayfields['p.fk_statut']['label'], $_SERVER["PHP_SELF"], "p.fk_statut", "", $param, '', $sortfield, $sortorder, 'right ');
 }
@@ -1294,6 +1303,14 @@ while ($i < min($num, $limit)) {
 				$totalarray['nbfield']++;
 			}
 		}
+		// Email MsgID
+		if (!empty($arrayfields['p.email_msgid']['checked']))
+		{
+			print '<td class="center">';
+			print $obj->email_msgid;
+			print '</td>';
+			if (!$i) $totalarray['nbfield']++;
+		}
 		// Status
 		if (!empty($arrayfields['p.fk_statut']['checked'])) {
 			print '<td class="right">'.$object->getLibStatut(5).'</td>';
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 31f1b0b243a..42b04640def 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -531,7 +531,7 @@ class Ticket extends CommonObject
 		global $langs;
 
 		// Check parameters
-		if (!$id && !$track_id && !$ref && !$email_msgid) {
+		if (empty($id) && empty($ref) && empty($track_id) && empty($email_msgid)) {
 			$this->error = 'ErrorWrongParameters';
 			dol_print_error(get_class($this)."::fetch ".$this->error);
 			return -1;