diff --git a/pillar/paas/docker.sls b/pillar/paas/docker.sls
--- a/pillar/paas/docker.sls
+++ b/pillar/paas/docker.sls
@@ -346,7 +346,8 @@
     # The Sentry instance uses a Redis and a PostgreSQL instance,
     # declared above.
     exim:
-      sentry_smtp: {}
+      sentry_smtp:
+        host: mx.sentry.nasqueron.org
 
     sentry_worker:
       sentry_worker_1: &sentry_links
diff --git a/roles/paas-docker/containers/exim.sls b/roles/paas-docker/containers/exim.sls
new file mode 100644
--- /dev/null
+++ b/roles/paas-docker/containers/exim.sls
@@ -0,0 +1,68 @@
+#   -------------------------------------------------------------
+#   Salt — Provision Docker engine
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#   Project:        Nasqueron
+#   Created:        2018-11-10
+#   License:        Trivial work, not eligible to copyright
+#   -------------------------------------------------------------
+
+{% set has_selinux = salt['grains.get']('selinux:enabled', False) %}
+{% set containers = pillar['docker_containers'][grains['id']] %}
+
+{% for instance, container in containers['exim'].items() %}
+{% set image = salt['paas_docker.get_image']("tianon/exim4", container) %}
+
+#   -------------------------------------------------------------
+#   Data directory
+#
+#   Only required if you provide some hostname to the SMTP server
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+{% if 'host' in container %}
+
+/srv/exim/{{ instance }}:
+  file.directory:
+    - user: 999
+    - group: 999
+    - makedirs: True
+
+/srv/exim/{{ instance }}/mailname:
+  file.managed:
+    - contents: {{ container['host'] }}
+
+{% if has_selinux %}
+
+selinux_context_{{ instance }}_exim_data:
+  selinux.fcontext_policy_present:
+    - name: /srv/exim/{{ instance }}
+    - sel_type: container_file_t
+
+selinux_context_{{ instance }}_exim_data_applied:
+  selinux.fcontext_policy_applied:
+    - name: /srv/exim/{{ instance }}
+
+{% endif %}
+
+{% endif %}
+
+#   -------------------------------------------------------------
+#   Container
+#   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+{{ instance }}:
+  docker_container.running:
+    - detach: True
+    - interactive: True
+    - image: {{ image }}
+
+{% if 'host' in container %}
+    - binds: /srv/exim/{{ instance }}/mailname:/etc/mailname:ro
+    - hostname: container['host']
+{% endif %}
+
+{% if 'network' in container %}
+    - networks:
+      - {{ container['network'] }}
+{% endif %}
+
+{% endfor %}