diff --git a/integrations/mailinblack/manifest.yaml b/integrations/mailinblack/manifest.yaml
new file mode 100644
index 0000000..c21ece8
--- /dev/null
+++ b/integrations/mailinblack/manifest.yaml
@@ -0,0 +1,65 @@
+id: mailinblack
+name: Mailinblack
+version: 1.0.0
+description: "Mailinblack (email protection API) — anti-phishing operations: list quarantined messages, release a message, and manage sender allow/block lists. Bearer-token authentication; stdlib-only, no extra Python dependencies. (French vendor. NOTE: exact API paths are best-effort — verify against the Mailinblack API documentation before production use.)"
+changelog: "1.0.0 — Initial release: list quarantine, release message, block/allow sender."
+category: email
+
+# Per-instance configuration. Auth header 'Authorization: Bearer <api_token>'.
+config_schema:
+  properties:
+    base_url:
+      type: string
+      description: "Mailinblack API base URL"
+    api_token:
+      type: string
+      description: "API token"
+      x-soar-sensitive: true
+  required:
+    - base_url
+    - api_token
+
+commands:
+  - id: list_quarantine
+    name: mailinblack-list-quarantine
+    description: "List quarantined messages."
+    risk: read
+    inputs_schema:
+      properties:
+        recipient: { type: string, description: "Optional recipient filter" }
+        limit: { type: number, description: "Max messages (default 25)" }
+      required: []
+    outputs_schema: { properties: {} }
+  - id: release_message
+    name: mailinblack-release-message
+    description: "Release a quarantined message for delivery."
+    inputs_schema:
+      properties:
+        message_id: { type: string, description: "Message ID" }
+      required: [message_id]
+    outputs_schema: { properties: {} }
+  - id: block_sender
+    name: mailinblack-block-sender
+    description: "Add a sender to the block list."
+    inputs_schema:
+      properties:
+        sender: { type: string, description: "Sender address to block" }
+      required: [sender]
+    outputs_schema: { properties: {} }
+  - id: allow_sender
+    name: mailinblack-allow-sender
+    description: "Add a sender to the allow list."
+    inputs_schema:
+      properties:
+        sender: { type: string, description: "Sender address to allow" }
+      required: [sender]
+    outputs_schema: { properties: {} }
+
+  - id: test_connection
+    name: mailinblack-test-connection
+    description: "Verify the API token (used by the Test button)."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }
diff --git a/integrations/mailinblack/scripts/allow_sender.py b/integrations/mailinblack/scripts/allow_sender.py
new file mode 100644
index 0000000..7da0b27
--- /dev/null
+++ b/integrations/mailinblack/scripts/allow_sender.py
@@ -0,0 +1,49 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    sender = inputs.get("sender")
+    if not sender:
+        raise Exception("sender is required")
+    result = request("POST", "/senders/allow", cfg, body={"sender": sender})
+    if not result:
+        return {"ok": True, "sender": sender, "action": "allow"}
+    return result
+
+
+_run(main)
diff --git a/integrations/mailinblack/scripts/block_sender.py b/integrations/mailinblack/scripts/block_sender.py
new file mode 100644
index 0000000..952602c
--- /dev/null
+++ b/integrations/mailinblack/scripts/block_sender.py
@@ -0,0 +1,49 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    sender = inputs.get("sender")
+    if not sender:
+        raise Exception("sender is required")
+    result = request("POST", "/senders/block", cfg, body={"sender": sender})
+    if not result:
+        return {"ok": True, "sender": sender, "action": "block"}
+    return result
+
+
+_run(main)
diff --git a/integrations/mailinblack/scripts/list_quarantine.py b/integrations/mailinblack/scripts/list_quarantine.py
new file mode 100644
index 0000000..3e3632e
--- /dev/null
+++ b/integrations/mailinblack/scripts/list_quarantine.py
@@ -0,0 +1,46 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    recipient = inputs.get("recipient")
+    limit = inputs.get("limit")
+    limit = int(limit) if limit not in (None, "") else 25
+    return request("GET", "/quarantine", cfg, params={"recipient": recipient, "limit": limit})
+
+
+_run(main)
diff --git a/integrations/mailinblack/scripts/release_message.py b/integrations/mailinblack/scripts/release_message.py
new file mode 100644
index 0000000..fa68376
--- /dev/null
+++ b/integrations/mailinblack/scripts/release_message.py
@@ -0,0 +1,52 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(cfg, inputs):
+    message_id = inputs.get("message_id")
+    if not message_id:
+        raise Exception("message_id is required")
+    result = request("POST", "/quarantine/" + q(message_id) + "/release", cfg, body={})
+    if not result:
+        return {"ok": True, "message_id": message_id, "action": "release"}
+    return result
+
+
+_run(main)
diff --git a/integrations/mailinblack/scripts/test_connection.py b/integrations/mailinblack/scripts/test_connection.py
new file mode 100644
index 0000000..9ea581d
--- /dev/null
+++ b/integrations/mailinblack/scripts/test_connection.py
@@ -0,0 +1,44 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    request("GET", "/quarantine", cfg, params={"limit": 1})
+    return {"ok": True}
+
+
+_run(main)