diff --git a/flaskr/controllers/main_controller.py b/flaskr/controllers/main_controller.py
index 66f495f..cabef6d 100644
--- a/flaskr/controllers/main_controller.py
+++ b/flaskr/controllers/main_controller.py
@@ -28,7 +28,7 @@ from flaskr.core import (
     get_emission_models,
     increment_hit_counter,
 )
-from flaskr.content import content
+from flaskr.content import content, base_url
 
 from wtforms import validators
 
@@ -51,7 +51,6 @@ OUT_ENCODING = 'utf-8'
 
 pi_email = "didier.barret@irap.omp.eu"  # todo: move to content YAML or .env
 # pi_email = "goutte@protonmail.com"
-base_url = "https://travel-footprint-calculator.irap.omp.eu/"
 
 # -----------------------------------------------------------------------------
 
@@ -243,7 +242,11 @@ def estimate():  # register new estimation request, more accurately
         send_email(
             to_recipient=pi_email,
             subject="[TCFM] New Estimation Request: %s" % estimation.public_id,
-            message="TODO"
+            message=render_template(
+                'email/run_requested.html',
+                base_url=base_url,
+                estimation=estimation,
+            )
         )
 
         flash("Estimation request submitted successfully.", "success")
diff --git a/flaskr/templates/email/run_requested.html b/flaskr/templates/email/run_requested.html
new file mode 100644
index 0000000..0b865f1
--- /dev/null
+++ b/flaskr/templates/email/run_requested.html
@@ -0,0 +1,67 @@
+{% extends "email/base.html" %}
+
+{% block content %}
+<p>
+    The run
+{% if estimation.run_name %}
+    <strong>"{{ estimation.run_name }}"</strong>
+{% endif %}
+    <code>{{ estimation.public_id }}</code> has been requested.
+
+    It will be
+    <strong><a href="{{ estimation.link }}">available here</a></strong>
+    when it's done.
+</p>
+
+<hr>
+
+{# Styles are embedded, because that's how it works with emailing. #}
+
+<table>
+    <tbody>
+    <tr>
+        <td style="padding-right: 30px;">
+            Author
+        </td>
+        <td>
+            <pre>{{ estimation.author_name }}</pre>
+        </td>
+    </tr>
+    <tr>
+        <td style="padding-right: 30px;">
+            {{ estimation.origins_count }}
+            Origin{% if estimation.origins_count > 1 %}s{% endif %}
+        </td>
+        <td>
+            <pre>
+
+{{ estimation.origin_addresses | truncate(1024, true, '…') }}
+            </pre>
+        </td>
+    </tr>
+    <tr>
+        <td style="padding-right: 30px;">
+            {{ estimation.destinations_count }}
+            Destination{% if estimation.destinations_count > 1 %}s{% endif %}
+        </td>
+        <td>
+            <pre>
+
+{{ estimation.destination_addresses | truncate(1024, true, '…') }}
+            </pre>
+        </td>
+    </tr>
+    <tr>
+        <td style="padding-right: 30px;">
+            Models
+        </td>
+        <td>
+            <pre>
+
+{{ estimation.models_slugs }}
+            </pre>
+        </td>
+    </tr>
+    </tbody>
+</table>
+{% endblock %}
--
libgit2 0.21.2