Use correct error-label class

dashboard/src/views/EmailSettingsView.vue

@@ -217,9 +217,8 @@ onMounted(async () => {
             <label for="dnsblZonesInput">{{ $t('emails.aclDialog.dnsblZones') }} <sup><a href="https://docs.cloudron.io/email/#dnsbl" class="help" target="_blank"><i class="fa fa-question-circle"></i></a></sup></label>
             <div>{{ $t('emails.aclDialog.dnsblZonesInfo') }}</div>
             <textarea id="dnsblZonesInput" v-model="dnsblZonesString" :placeholder="$t('emails.aclDialog.dnsblZonesPlaceholder')" rows="4"></textarea>
+            <div class="error-label" v-if="dnsblZonesError">{{ dnsblZonesError }}</div>
           </FormGroup>
-
-          <div class="has-error" v-if="dnsblZonesError">{{ dnsblZonesError }}</div>
         </fieldset>
       </form>
     </Dialog>