diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index 47a7e88001..f8fad51200 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -1696,6 +1696,10 @@ public class MessageHelper {
         if (!TextUtils.isEmpty(mailjet))
             return "mailjet";
 
+        String sendinblue = imessage.getHeader("X-sib-id", null);
+        if (!TextUtils.isEmpty(sendinblue))
+            return "sendinblue";
+
         return null;
     }
 
diff --git a/app/src/main/res/drawable/infra_sendinblue.xml b/app/src/main/res/drawable/infra_sendinblue.xml
new file mode 100644
index 0000000000..77e748ccf2
--- /dev/null
+++ b/app/src/main/res/drawable/infra_sendinblue.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="103dp"
+    android:height="103dp"
+    android:viewportWidth="103"
+    android:viewportHeight="103">
+    <group android:translateX="4">
+        <path
+            android:fillColor="#0092FF"
+            android:fillType="evenOdd"
+            android:pathData="M85.213,73.712a20.181,20.181 0,0 1,-11.867 9.307,27.21 27.21,0 0,0 1.086,-7.565c0,-12.75 -8.787,-23.444 -20.582,-26.356a19.938,19.938 0,0 1,8.767 -5.001,19.865 19.865,0 0,1 15.243,2.018c9.593,5.571 12.891,17.95 7.353,27.597M47.421,95.655c-5.247,0 -10.238,-2.096 -13.941,-5.675a26.782,26.782 0,0 0,7.05 -2.842c10.976,-6.373 15.791,-19.367 12.408,-31.093 8.399,2.42 14.571,10.196 14.571,19.409 0,11.137 -9.013,20.201 -20.088,20.201M9.627,73.712c-2.623,-4.57 -3.302,-9.954 -2.076,-14.962a27.2,27.2 0,0 0,5.967 4.704,26.74 26.74,0 0,0 13.462,3.634 27.036,27.036 0,0 0,19.522 -8.356c2.107,8.52 -1.505,17.771 -9.433,22.375a19.882,19.882 0,0 1,-10.01 2.702A20.084,20.084 0,0 1,9.626 73.712m0,-43.886a20.181,20.181 0,0 1,11.868 -9.307,27.159 27.159,0 0,0 -1.088,7.567c0,12.743 8.783,23.434 20.572,26.351 -6.284,6.106 -16.066,7.592 -23.998,2.986 -4.648,-2.7 -7.971,-7.055 -9.36,-12.268a20.169,20.169 0,0 1,2.006 -15.329M47.421,7.883c5.249,0 10.235,2.094 13.935,5.67A27.035,27.035 0,0 0,54.31 16.4c-6.25,3.63 -10.72,9.487 -12.586,16.497a27.106,27.106 0,0 0,0.17 14.595c-8.395,-2.422 -14.562,-10.197 -14.562,-19.406 0,-11.14 9.011,-20.203 20.089,-20.203m37.792,21.943c2.626,4.576 3.306,9.966 2.072,14.98a26.999,26.999 0,0 0,-5.962 -4.722c-6.25,-3.627 -13.529,-4.591 -20.5,-2.713a26.8,26.8 0,0 0,-12.492 7.454,20.2 20.2,0 0,1 0.082,-10.126c1.387,-5.212 4.711,-9.569 9.359,-12.268 4.647,-2.697 10.06,-3.414 15.243,-2.018 5.183,1.397 9.514,4.74 12.198,9.413m5.997,-3.48c-3.608,-6.285 -9.433,-10.78 -16.404,-12.658a27.128,27.128 0,0 0,-5.035 -0.852C64.771,5.442 56.378,0.92 47.421,0.92c-9.277,0 -17.474,4.729 -22.34,11.913 -8.873,0.656 -16.97,5.706 -21.45,13.511C0.021,32.628 -0.936,39.95 0.93,46.96a27.532,27.532 0,0 0,1.785 4.81c-3.867,8.053 -3.565,17.623 0.914,25.425 4.638,8.078 12.806,12.847 21.424,13.495 5,7.4 13.41,11.93 22.367,11.93 9.276,0 17.473,-4.73 22.338,-11.915 8.873,-0.656 16.97,-5.704 21.451,-13.51 4.639,-8.08 4.663,-17.583 0.909,-25.412 3.872,-8.057 3.572,-17.631 -0.909,-25.437" />
+    </group>
+</vector>