diff --git a/dashboard/src/components/BackupScheduleDialog.vue b/dashboard/src/components/BackupScheduleDialog.vue
index b4ec999e5..e08242435 100644
--- a/dashboard/src/components/BackupScheduleDialog.vue
+++ b/dashboard/src/components/BackupScheduleDialog.vue
@@ -123,7 +123,6 @@ defineExpose({
     :title="$t('backups.configureBackupSchedule.title')"
      reject-style="secondary"
     :reject-label="$t('main.dialog.cancel')"
-    :reject-busy="busy"
     :reject-active="!busy"
     :confirm-label="$t('main.dialog.save')"
     :confirm-busy="busy"
diff --git a/dashboard/src/components/MailboxDialog.vue b/dashboard/src/components/MailboxDialog.vue
index e4afd06f7..ab3ac9ce8 100644
--- a/dashboard/src/components/MailboxDialog.vue
+++ b/dashboard/src/components/MailboxDialog.vue
@@ -111,7 +111,8 @@ defineExpose({
     :confirm-busy="busy"
     :confirm-active="!busy && name !== '' && domain !== ''"
      reject-style="secondary"
-    :reject-label="busy ? null : $t('main.dialog.cancel')"
+    :reject-label="$t('main.dialog.cancel')"
+    :reject-active="!busy"
     @confirm="onSubmit()"
   >
     <div>
@@ -132,7 +133,7 @@ defineExpose({
 
           <FormGroup style="padding-bottom: 10px;">
             <label>{{ $t('email.editMailboxDialog.owner') }}</label>
-            <SingleSelect v-model="ownerId" :options="usersAndGroups" option-key="id" option-label="name"/>
+            <SingleSelect v-model="ownerId" :options="usersAndGroups" :searchThreshold="10" option-key="id" option-label="name"/>
           </FormGroup>
 
           <Checkbox v-if="mailbox" v-model="active" :label="$t('email.updateMailboxDialog.activeCheckbox')"/>
diff --git a/dashboard/src/components/MailinglistDialog.vue b/dashboard/src/components/MailinglistDialog.vue
index 660de0e9b..f3fbed6e8 100644
--- a/dashboard/src/components/MailinglistDialog.vue
+++ b/dashboard/src/components/MailinglistDialog.vue
@@ -79,7 +79,8 @@ defineExpose({
     :confirm-busy="busy"
     :confirm-active="!busy && name !== '' && domain !== '' && membersText !== ''"
      reject-style="secondary"
-    :reject-label="busy ? null : $t('main.dialog.cancel')"
+    :reject-label="$t('main.dialog.cancel')"
+    :reject-active="!busy"
     @confirm="onSubmit()"
   >
     <div>