Fix: IMAP Sent-Ordner — echten Namen aus LIST-Antwort extrahieren (INBOX.Sent)

backend/routes/outreach.py

@@ -10,13 +10,16 @@ from email.utils import formataddr
 from datetime import datetime
 from typing import List, Optional
 
+import logging
+
 from fastapi import APIRouter, Depends, HTTPException
 from pydantic import BaseModel
 
 from auth import require_admin
 from database import db
 
-router = APIRouter()
+router  = APIRouter()
+_log    = logging.getLogger(__name__)
 
 _SMTP_HOST = os.getenv("SMTP_HOST", "mail.your-server.de")
 _SMTP_PORT = int(os.getenv("SMTP_PORT", "587"))
@@ -45,29 +48,40 @@ _SENT_CANDIDATES = ["Sent", "Sent Messages", "Sent Items", "INBOX.Sent", "Gesend
 def _imap_save_sent(msg_bytes: bytes, account: str):
     acc = _ACCOUNTS.get(account) or _ACCOUNTS["partner"]
     if not acc["user"] or not acc["pass"]:
+        _log.warning("IMAP: Account '%s' nicht konfiguriert, überspringe.", account)
         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
+            _, raw_folders = imap.list()
+            available = [f.decode(errors="replace") for f in (raw_folders or [])]
+            _log.info("IMAP Ordner (%s): %s", account, available)
+
+            # Echten Ordnernamen aus LIST-Antwort extrahieren
+            # Format: '(\Flags) "." INBOX.Sent'  → letztes Token
             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
+            for line in available:
+                name = line.rsplit('"." ', 1)[-1].strip().strip('"')
+                for candidate in _SENT_CANDIDATES:
+                    if candidate.lower() in name.lower():
+                        folder = name
+                        break
+                if folder:
                     break
             if not folder:
-                folder = "Sent"  # Fallback: anlegen lassen
-            imap.append(
+                folder = "INBOX.Sent"
+            _log.info("IMAP: speichere in Ordner '%s' (%s)", folder, account)
+
+            typ, data = imap.append(
                 folder,
                 r"\Seen",
                 imaplib.Time2Internaldate(datetime.now().timestamp()),
                 msg_bytes,
             )
-    except Exception:
-        pass  # Nicht blockieren wenn IMAP fehlschlägt
+            _log.info("IMAP append: %s %s", typ, data)
+    except Exception as e:
+        _log.error("IMAP Sent-Speicherung fehlgeschlagen (%s): %s", account, e)
 
 
 def _build_message(to: str, subject: str, body: str, account: str) -> MIMEMultipart: