diff --git a/src/frontend/app/mail/mail-resume/mail-resume.component.html b/src/frontend/app/mail/mail-resume/mail-resume.component.html
index 06030e932563da7e0b3b96dd0bf9f645215164f1..c4bca4bb75ec2fc3a1c0adae800302775eb56f3f 100644
--- a/src/frontend/app/mail/mail-resume/mail-resume.component.html
+++ b/src/frontend/app/mail/mail-resume/mail-resume.component.html
@@ -16,8 +16,7 @@
             </div>
         </ng-template>
 
-        <div class="info" [class.arType]="mail.type === 'aknowledgement_receipt'">
-            {{mail.object | shorten: 110: '...'}}
+        <div class="info" [class.arType]="mail.type === 'aknowledgement_receipt'" [innerHTML]="mail.object | shorten: 110: '...'">    
         </div>
 
         <div class="date">
diff --git a/src/frontend/app/mail/mail-resume/mail-resume.component.ts b/src/frontend/app/mail/mail-resume/mail-resume.component.ts
index cf8f35f18fdfb5d2c83ce7cf0adaafb8145dace8..02fd63fb88de9b5a3e0128da6b5b70c95c7551ae 100644
--- a/src/frontend/app/mail/mail-resume/mail-resume.component.ts
+++ b/src/frontend/app/mail/mail-resume/mail-resume.component.ts
@@ -54,7 +54,7 @@ export class MailResumeComponent implements OnInit {
                     }
 
                     return {
-                        object: object,
+                        object: !this.functions.empty(object) ? object : `<i>${this.lang.emptySubject}<i>`,
                         send_date: elem.send_date,
                         status: elem.status,
                         userInfo: elem.userInfo,
diff --git a/src/frontend/app/sentResource/sent-resource-list.component.html b/src/frontend/app/sentResource/sent-resource-list.component.html
index 7b5ffbb0df40d53392ff0a8ec09d2265d1d648c4..4c1b61d14bc729d849919152a81373c533ea2532 100644
--- a/src/frontend/app/sentResource/sent-resource-list.component.html
+++ b/src/frontend/app/sentResource/sent-resource-list.component.html
@@ -33,7 +33,7 @@
                     <span *ngIf="row.status === 'ERROR'" style="flex:1;color:red;font-weight: bold;">
                         {{lang.notSent}}
                     </span>
-                    <span *ngIf="row.type == 'acknowledgementReceipt' && functions.empty(row.sendDate)" style="flex:1;color:orange">
+                    <span *ngIf="row.status !== 'ERROR' && row.type == 'acknowledgementReceipt' && functions.empty(row.sendDate)" style="flex:1;color:orange">
                         {{lang.manualSendingAR}}
                     </span>
                     <span style="flex:1" *ngIf="!functions.empty(row.operationDate)" [title]="row.operationDate | fullDate">