diff --git a/backend/routes/outreach.py b/backend/routes/outreach.py
index 11f4152..ab4e7fb 100644
--- a/backend/routes/outreach.py
+++ b/backend/routes/outreach.py
@@ -1,5 +1,6 @@
 """BAN YARO — Mailing (Admin)"""
 
+import imaplib
 import os
 import smtplib
 import ssl
@@ -19,6 +20,8 @@ router = APIRouter()
 
 _SMTP_HOST = os.getenv("SMTP_HOST", "mail.your-server.de")
 _SMTP_PORT = int(os.getenv("SMTP_PORT", "587"))
+_IMAP_HOST = os.getenv("IMAP_HOST", "mail.your-server.de")
+_IMAP_PORT = int(os.getenv("IMAP_PORT", "993"))
 
 _ACCOUNTS = {
     "partner": {
@@ -35,23 +38,62 @@ _ACCOUNTS = {
     },
 }
 
+# Mögliche Namen für den Sent-Ordner (Hetzner/Dovecot)
+_SENT_CANDIDATES = ["Sent", "Sent Messages", "Sent Items", "INBOX.Sent", "Gesendete Objekte"]
+
+
+def _imap_save_sent(msg_bytes: bytes, account: str):
+    acc = _ACCOUNTS.get(account) or _ACCOUNTS["partner"]
+    if not acc["user"] or not acc["pass"]:
+        return
+    try:
+        ctx = ssl.create_default_context()
+        with imaplib.IMAP4_SSL(_IMAP_HOST, _IMAP_PORT, ssl_context=ctx) as imap:
+            imap.login(acc["user"], acc["pass"])
+            # Sent-Ordner finden
+            folder = None
+            _, folders = imap.list()
+            available = [f.decode() for f in (folders or [])]
+            for candidate in _SENT_CANDIDATES:
+                if any(candidate.lower() in f.lower() for f in available):
+                    folder = candidate
+                    break
+            if not folder:
+                folder = "Sent"  # Fallback: anlegen lassen
+            imap.append(
+                folder,
+                r"\Seen",
+                imaplib.Time2Internaldate(datetime.now().timestamp()),
+                msg_bytes,
+            )
+    except Exception:
+        pass  # Nicht blockieren wenn IMAP fehlschlägt
+
+
+def _build_message(to: str, subject: str, body: str, account: str) -> MIMEMultipart:
+    acc = _ACCOUNTS.get(account) or _ACCOUNTS["partner"]
+    msg = MIMEMultipart("alternative")
+    msg["Subject"]  = subject
+    msg["From"]     = formataddr((acc["name"], acc["from"]))
+    msg["To"]       = to
+    msg["Reply-To"] = acc["from"]
+    msg.attach(MIMEText(body, "plain", "utf-8"))
+    return msg
+
 
 def _send_smtp(to: str, subject: str, body: str, account: str = "partner"):
     acc = _ACCOUNTS.get(account) or _ACCOUNTS["partner"]
     if not acc["user"] or not acc["pass"]:
         raise RuntimeError(f"SMTP-Account '{account}' nicht konfiguriert.")
-    msg = MIMEMultipart("alternative")
-    msg["Subject"] = subject
-    msg["From"]    = formataddr((acc["name"], acc["from"]))
-    msg["To"]      = to
-    msg["Reply-To"] = acc["from"]
-    msg.attach(MIMEText(body, "plain", "utf-8"))
+    msg = _build_message(to, subject, body, account)
+    msg_bytes = msg.as_bytes()
     ctx = ssl.create_default_context()
     with smtplib.SMTP(_SMTP_HOST, _SMTP_PORT, timeout=15) as s:
         s.ehlo()
         s.starttls(context=ctx)
         s.login(acc["user"], acc["pass"])
-        s.sendmail(acc["from"], [to], msg.as_bytes())
+        s.sendmail(acc["from"], [to], msg_bytes)
+    _imap_save_sent(msg_bytes, account)
 
 
 # ------------------------------------------------------------------