diff --git a/symfony/src/Controller/Api/MessageController.php b/symfony/src/Controller/Api/MessageController.php
new file mode 100644
index 00000000..1015ec13
--- /dev/null
+++ b/symfony/src/Controller/Api/MessageController.php
@@ -0,0 +1,94 @@
+<?php
+
+namespace App\Controller\Api;
+
+use App\Base\BaseController;
+use App\Entity\Structure;
+use App\Facade\Trigger\SimpleMessageRequestFacade;
+use App\Facade\Trigger\SimpleMessageResponseFacade;
+use App\Form\Model\Campaign;
+use App\Form\Model\SmsTrigger;
+use App\Form\Type\AudienceType;
+use App\Manager\CampaignManager;
+use App\Manager\PlatformConfigManager;
+use App\Manager\VolunteerManager;
+use Bundles\ApiBundle\Annotation\Endpoint;
+use Bundles\ApiBundle\Annotation\Facade;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\Entity;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\IsGranted;
+use Symfony\Component\Routing\Annotation\Route;
+
+/**
+ * Send a message
+ *
+ * These endpoints are used to send messages to a given phone number.
+ *
+ * @Route("/api/message", name="api_admin_message_")
+ * @IsGranted("ROLE_ADMIN")
+ */
+class MessageController extends BaseController
+{
+    /**
+     * @var VolunteerManager
+     */
+    private $volunteerManager;
+
+    /**
+     * @var PlatformConfigManager
+     */
+    private $platformManager;
+
+    /**
+     * @var CampaignManager
+     */
+    private $campaignManager;
+
+    public function __construct(VolunteerManager $volunteerManager,
+        PlatformConfigManager $platformManager,
+        CampaignManager $campaignManager)
+    {
+        $this->volunteerManager = $volunteerManager;
+        $this->platformManager  = $platformManager;
+        $this->campaignManager  = $campaignManager;
+    }
+
+    /**
+     * Send an SMS to a given structure and its sub structures.
+     *
+     * @Endpoint(
+     *   priority = 700,
+     *   request  = @Facade(class = SimpleMessageRequestFacade::class),
+     *   response = @Facade(class = SimpleMessageResponseFacade::class)
+     * )
+     *
+     * @Route("/{structureExternalId}/simple-sms", methods={"POST"})
+     * @Entity("structure", expr="repository.findOneByExternalIdAndCurrentPlatform(structureExternalId)")
+     * @IsGranted("STRUCTURE", subject="structure")
+     */
+    public function simpleSms(Structure $structure, SimpleMessageRequestFacade $request)
+    {
+        // User is trying to set trigger's ownership to a volunteer that is out of his/her scope
+        $volunteer = $this->volunteerManager->findOneByInternalEmail($request->getSenderInternalEmail());
+        if (!$this->isGranted('VOLUNTEER', $volunteer)) {
+            throw $this->createNotFoundException();
+        }
+
+        $trigger = new SmsTrigger();
+        $trigger->setLanguage($this->platformManager->getPlaform($this->getPlatform())->getDefaultLanguage()->getLocale());
+        $trigger->setAudience(AudienceType::createEmptyData([
+            'structures_global' => [$structure->getId()],
+            'badges_all'        => true,
+        ]));
+        $trigger->setMessage($request->getMessage());
+
+        $campaign        = new Campaign($trigger);
+        $campaign->label = sprintf('SimpleSms API (%s)', $this->getUser()->getUserIdentifier());
+
+        $entity = $this->campaignManager->launchNewCampaign($campaign, null, $volunteer);
+
+        return new SimpleMessageResponseFacade(
+            count(($entity->getCommunications()[0] ?? [])->getMessages()),
+            sprintf('%s%s', getenv('WEBSITE_URL'), $this->generateUrl('communication_index', ['id' => $entity->getId()]))
+        );
+    }
+}
\ No newline at end of file
diff --git a/symfony/src/Entity/MessageToGuest.php b/symfony/src/Entity/MessageToGuest.php
new file mode 100644
index 00000000..8763c2d5
--- /dev/null
+++ b/symfony/src/Entity/MessageToGuest.php
@@ -0,0 +1,151 @@
+<?php
+
+namespace App\Entity;
+
+use App\Repository\MessageToGuestRepository;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Sometimes, we need to send messages to people that are not volunteers.
+ * Right now, the data structure doesn't allow it.
+ *
+ * This entity provides a way to store main information related to a message
+ * without needing a volunteer, a campaign, a communication and so on, but
+ * keeps billing information.
+ *
+ * @ORM\Entity(repositoryClass=MessageToGuestRepository::class)
+ */
+class MessageToGuest
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     */
+    private $id;
+
+    /**
+     * @ORM\Column(type="string", length=80)
+     */
+    private $type;
+
+    /**
+     * @ORM\Column(type="string", length=255)
+     */
+    private $destination;
+
+    /**
+     * @ORM\Column(type="text")
+     */
+    private $body;
+
+    /**
+     * @ORM\Column(type="string", length=64, nullable=true)
+     */
+    private $messageId;
+
+    /**
+     * @ORM\Column(type="string", length=16)
+     */
+    private $cost;
+
+    /**
+     * @ORM\Column(type="string", length=3, nullable=true)
+     */
+    private $currency;
+
+    /**
+     * @ORM\ManyToOne(targetEntity=Structure::class)
+     * @ORM\JoinColumn(nullable=false)
+     */
+    private $structure;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getType(): ?string
+    {
+        return $this->type;
+    }
+
+    public function setType(string $type): self
+    {
+        $this->type = $type;
+
+        return $this;
+    }
+
+    public function getDestination(): ?string
+    {
+        return $this->destination;
+    }
+
+    public function setDestination(string $destination): self
+    {
+        $this->destination = $destination;
+
+        return $this;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+
+    public function setBody(string $body): self
+    {
+        $this->body = $body;
+
+        return $this;
+    }
+
+    public function getMessageId(): ?string
+    {
+        return $this->messageId;
+    }
+
+    public function setMessageId(?string $messageId): self
+    {
+        $this->messageId = $messageId;
+
+        return $this;
+    }
+
+    public function getCost(): ?string
+    {
+        return $this->cost;
+    }
+
+    public function setCost(string $cost): self
+    {
+        $this->cost = $cost;
+
+        return $this;
+    }
+
+    public function getCurrency(): ?string
+    {
+        return $this->currency;
+    }
+
+    public function setCurrency(?string $currency): self
+    {
+        $this->currency = $currency;
+
+        return $this;
+    }
+
+    public function getStructure(): ?Structure
+    {
+        return $this->structure;
+    }
+
+    public function setStructure(?Structure $structure): self
+    {
+        $this->structure = $structure;
+
+        return $this;
+    }
+}
diff --git a/symfony/src/Repository/MessageToGuestRepository.php b/symfony/src/Repository/MessageToGuestRepository.php
new file mode 100644
index 00000000..a1e28bb0
--- /dev/null
+++ b/symfony/src/Repository/MessageToGuestRepository.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Repository;
+
+use App\Entity\MessageToGuest;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\ORM\OptimisticLockException;
+use Doctrine\ORM\ORMException;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @method MessageToGuest|null find($id, $lockMode = null, $lockVersion = null)
+ * @method MessageToGuest|null findOneBy(array $criteria, array $orderBy = null)
+ * @method MessageToGuest[]    findAll()
+ * @method MessageToGuest[]    findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
+ */
+class MessageToGuestRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, MessageToGuest::class);
+    }
+
+    /**
+     * @throws ORMException
+     * @throws OptimisticLockException
+     */
+    public function add(MessageToGuest $entity, bool $flush = true): void
+    {
+        $this->_em->persist($entity);
+        if ($flush) {
+            $this->_em->flush();
+        }
+    }
+
+    /**
+     * @throws ORMException
+     * @throws OptimisticLockException
+     */
+    public function remove(MessageToGuest $entity, bool $flush = true): void
+    {
+        $this->_em->remove($entity);
+        if ($flush) {
+            $this->_em->flush();
+        }
+    }
+
+    // /**
+    //  * @return MessageToGuest[] Returns an array of MessageToGuest objects
+    //  */
+    /*
+    public function findByExampleField($value)
+    {
+        return $this->createQueryBuilder('m')
+            ->andWhere('m.exampleField = :val')
+            ->setParameter('val', $value)
+            ->orderBy('m.id', 'ASC')
+            ->setMaxResults(10)
+            ->getQuery()
+            ->getResult()
+        ;
+    }
+    */
+
+    /*
+    public function findOneBySomeField($value): ?MessageToGuest
+    {
+        return $this->createQueryBuilder('m')
+            ->andWhere('m.exampleField = :val')
+            ->setParameter('val', $value)
+            ->getQuery()
+            ->getOneOrNullResult()
+        ;
+    }
+    */
+}
diff --git a/symfony/templates/new_communication/form_email.html.twig b/symfony/templates/new_communication/form_email.html.twig
index bbf9a4d2..b07eff8f 100644
--- a/symfony/templates/new_communication/form_email.html.twig
+++ b/symfony/templates/new_communication/form_email.html.twig
@@ -38,6 +38,8 @@
 
 {{ form_row(form.multipleAnswer) }}
 
+<br/>
+
 <div class="h3">{{ 'form.communication.fields.preview'|trans }}</div>
 
 {{ include('new_communication/preview.html.twig') }}
diff --git a/symfony/templates/new_communication/form_sms.html.twig b/symfony/templates/new_communication/form_sms.html.twig
index 09543129..3b89fd42 100644
--- a/symfony/templates/new_communication/form_sms.html.twig
+++ b/symfony/templates/new_communication/form_sms.html.twig
@@ -39,6 +39,8 @@
 
 {{ form_row(form.multipleAnswer) }}
 
+<br/>
+
 <div class="h3">{{ 'form.communication.fields.preview'|trans }}</div>
 
 {{ include('new_communication/preview.html.twig') }}