refactor(mail): focus profile editor on protocols

src/govoplan_mail/backend/migrations/dev_versions/5f708192abcd_mail_mailbox_index_repair.py

@@ -0,0 +1,67 @@
+"""repair mail mailbox index columns
+
+Revision ID: 5f708192abcd
+Revises: 4e5f708192ab
+Create Date: 2026-07-14 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "5f708192abcd"
+down_revision = "4e5f708192ab"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    tables = set(inspector.get_table_names())
+    if "mail_mailbox_folder_index" in tables:
+        columns = _columns(inspector, "mail_mailbox_folder_index")
+        indexes = _indexes(inspector, "mail_mailbox_folder_index")
+        if "message_indexed_at" not in columns:
+            op.add_column("mail_mailbox_folder_index", sa.Column("message_indexed_at", sa.DateTime(timezone=True), nullable=True))
+        if "ix_mail_mailbox_folder_index_message_indexed_at" not in indexes:
+            op.create_index(op.f("ix_mail_mailbox_folder_index_message_indexed_at"), "mail_mailbox_folder_index", ["message_indexed_at"], unique=False)
+
+    if "mail_mailbox_message_index" in tables:
+        columns = _columns(inspector, "mail_mailbox_message_index")
+        indexes = _indexes(inspector, "mail_mailbox_message_index")
+        if "sort_position" not in columns:
+            op.add_column("mail_mailbox_message_index", sa.Column("sort_position", sa.BigInteger(), nullable=False, server_default="0"))
+            if op.get_bind().dialect.name != "sqlite":
+                op.alter_column("mail_mailbox_message_index", "sort_position", server_default=None)
+        if "ix_mail_mailbox_message_index_sort_position" not in indexes:
+            op.create_index(op.f("ix_mail_mailbox_message_index_sort_position"), "mail_mailbox_message_index", ["sort_position"], unique=False)
+        if "ix_mail_mailbox_message_index_page" not in indexes:
+            op.create_index("ix_mail_mailbox_message_index_page", "mail_mailbox_message_index", ["tenant_id", "profile_id", "folder", "sort_position"], unique=False)
+
+
+def downgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    tables = set(inspector.get_table_names())
+    if "mail_mailbox_message_index" in tables:
+        indexes = _indexes(inspector, "mail_mailbox_message_index")
+        if "ix_mail_mailbox_message_index_page" in indexes:
+            op.drop_index("ix_mail_mailbox_message_index_page", table_name="mail_mailbox_message_index")
+        if "ix_mail_mailbox_message_index_sort_position" in indexes:
+            op.drop_index(op.f("ix_mail_mailbox_message_index_sort_position"), table_name="mail_mailbox_message_index")
+        if "sort_position" in _columns(inspector, "mail_mailbox_message_index"):
+            op.drop_column("mail_mailbox_message_index", "sort_position")
+    if "mail_mailbox_folder_index" in tables:
+        indexes = _indexes(inspector, "mail_mailbox_folder_index")
+        if "ix_mail_mailbox_folder_index_message_indexed_at" in indexes:
+            op.drop_index(op.f("ix_mail_mailbox_folder_index_message_indexed_at"), table_name="mail_mailbox_folder_index")
+        if "message_indexed_at" in _columns(inspector, "mail_mailbox_folder_index"):
+            op.drop_column("mail_mailbox_folder_index", "message_indexed_at")
+
+
+def _columns(inspector, table_name: str) -> set[str]:
+    return {column["name"] for column in inspector.get_columns(table_name)}
+
+
+def _indexes(inspector, table_name: str) -> set[str]:
+    return {index["name"] for index in inspector.get_indexes(table_name)}

src/govoplan_mail/backend/migrations/versions/5f708192abcd_v019_mail_mailbox_index_repair.py

@@ -0,0 +1,67 @@
+"""repair mail mailbox index columns
+
+Revision ID: 5f708192abcd
+Revises: 4e5f708192ab
+Create Date: 2026-07-14 00:00:00.000000
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "5f708192abcd"
+down_revision = "4e5f708192ab"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    tables = set(inspector.get_table_names())
+    if "mail_mailbox_folder_index" in tables:
+        columns = _columns(inspector, "mail_mailbox_folder_index")
+        indexes = _indexes(inspector, "mail_mailbox_folder_index")
+        if "message_indexed_at" not in columns:
+            op.add_column("mail_mailbox_folder_index", sa.Column("message_indexed_at", sa.DateTime(timezone=True), nullable=True))
+        if "ix_mail_mailbox_folder_index_message_indexed_at" not in indexes:
+            op.create_index(op.f("ix_mail_mailbox_folder_index_message_indexed_at"), "mail_mailbox_folder_index", ["message_indexed_at"], unique=False)
+
+    if "mail_mailbox_message_index" in tables:
+        columns = _columns(inspector, "mail_mailbox_message_index")
+        indexes = _indexes(inspector, "mail_mailbox_message_index")
+        if "sort_position" not in columns:
+            op.add_column("mail_mailbox_message_index", sa.Column("sort_position", sa.BigInteger(), nullable=False, server_default="0"))
+            if op.get_bind().dialect.name != "sqlite":
+                op.alter_column("mail_mailbox_message_index", "sort_position", server_default=None)
+        if "ix_mail_mailbox_message_index_sort_position" not in indexes:
+            op.create_index(op.f("ix_mail_mailbox_message_index_sort_position"), "mail_mailbox_message_index", ["sort_position"], unique=False)
+        if "ix_mail_mailbox_message_index_page" not in indexes:
+            op.create_index("ix_mail_mailbox_message_index_page", "mail_mailbox_message_index", ["tenant_id", "profile_id", "folder", "sort_position"], unique=False)
+
+
+def downgrade() -> None:
+    inspector = sa.inspect(op.get_bind())
+    tables = set(inspector.get_table_names())
+    if "mail_mailbox_message_index" in tables:
+        indexes = _indexes(inspector, "mail_mailbox_message_index")
+        if "ix_mail_mailbox_message_index_page" in indexes:
+            op.drop_index("ix_mail_mailbox_message_index_page", table_name="mail_mailbox_message_index")
+        if "ix_mail_mailbox_message_index_sort_position" in indexes:
+            op.drop_index(op.f("ix_mail_mailbox_message_index_sort_position"), table_name="mail_mailbox_message_index")
+        if "sort_position" in _columns(inspector, "mail_mailbox_message_index"):
+            op.drop_column("mail_mailbox_message_index", "sort_position")
+    if "mail_mailbox_folder_index" in tables:
+        indexes = _indexes(inspector, "mail_mailbox_folder_index")
+        if "ix_mail_mailbox_folder_index_message_indexed_at" in indexes:
+            op.drop_index(op.f("ix_mail_mailbox_folder_index_message_indexed_at"), table_name="mail_mailbox_folder_index")
+        if "message_indexed_at" in _columns(inspector, "mail_mailbox_folder_index"):
+            op.drop_column("mail_mailbox_folder_index", "message_indexed_at")
+
+
+def _columns(inspector, table_name: str) -> set[str]:
+    return {column["name"] for column in inspector.get_columns(table_name)}
+
+
+def _indexes(inspector, table_name: str) -> set[str]:
+    return {index["name"] for index in inspector.get_indexes(table_name)}

src/govoplan_mail/backend/sending/imap.py

@@ -685,7 +685,7 @@ def _parse_fetch_parts_with_sequence(data: list[Any] | tuple[Any, ...] | None) -
 
 
 def _select_readonly(client: imaplib.IMAP4, folder: str) -> tuple[int, str | None]:
-    typ, data = client.select(folder, readonly=True)
+    typ, data = client.select(_quote_mailbox_name(folder), readonly=True)
     if typ != "OK":
         raise ImapAppendError(f"IMAP folder {folder!r} could not be opened read-only: {data!r}", temporary=False)
     selected_count = _decode_item(data[0] if data else None).strip()
@@ -1017,7 +1017,7 @@ def append_message_to_sent(
         client = _open_imap(imap_config)
         target_folder = _effective_sent_folder(config=imap_config, requested_folder=folder, client=client)
         internal_date = imaplib.Time2Internaldate(time.time())
-        typ, data = client.append(target_folder, "\\Seen", internal_date, message_bytes)
+        typ, data = client.append(_quote_mailbox_name(target_folder), "\\Seen", internal_date, message_bytes)
         if typ != "OK":
             raise ImapAppendError(f"IMAP APPEND failed for folder {target_folder!r}: {data!r}", temporary=False)
         response = "; ".join(_decode_item(item) for item in (data or [])) or None

src/govoplan_mail/backend/sending/rate_limit.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import time
+import threading
 from dataclasses import dataclass
 
 from redis import Redis
@@ -17,6 +18,10 @@ class RateLimitDecision:
     waited_seconds: float
 
 
+_local_rate_limit_lock = threading.Lock()
+_local_next_allowed: dict[str, float] = {}
+
+
 def _redis_client() -> Redis:
     return Redis.from_url(settings.redis_url, decode_responses=True)
 
@@ -30,15 +35,18 @@ def wait_for_rate_limit(*, key: str, messages_per_minute: int, enabled: bool = T
 
     The implementation stores the next allowed send timestamp per key. A Redis
     lock keeps multiple Celery processes from reading/updating the timestamp at
-    the same time. Direct local development runs do not have a broker, so Redis
+    the same time. Direct local development runs do not have a broker, so they
-    is only used when Celery/worker mode is explicitly enabled. If Redis is
+    use a process-local limiter. If Redis is unavailable in worker mode, the
-    unavailable, it falls back to no distributed wait.
+    process-local fallback still protects single-process sends.
     """
 
     messages_per_minute = max(1, int(messages_per_minute or 1))
     gap = 60.0 / messages_per_minute
-    if not enabled or not _distributed_rate_limit_enabled():
+    if not enabled:
         return RateLimitDecision(key=key, messages_per_minute=messages_per_minute, gap_seconds=gap, waited_seconds=0.0)
+    if not _distributed_rate_limit_enabled():
+        waited = _wait_for_local_rate_limit(key, gap)
+        return RateLimitDecision(key=key, messages_per_minute=messages_per_minute, gap_seconds=gap, waited_seconds=waited)
 
     redis_key = f"govoplan:ratelimit:{key}:next_allowed"
     lock_key = f"govoplan:ratelimit:{key}:lock"
@@ -56,7 +64,17 @@ def wait_for_rate_limit(*, key: str, messages_per_minute: int, enabled: bool = T
                 now = time.time()
             client.set(redis_key, now + gap, ex=max(60, int(gap * 10)))
     except (RedisError, TimeoutError, ValueError):
-        # Development fallback: do not fail sending because Redis is absent.
+        waited = _wait_for_local_rate_limit(key, gap)
-        waited = 0.0
 
     return RateLimitDecision(key=key, messages_per_minute=messages_per_minute, gap_seconds=gap, waited_seconds=waited)
+
+
+def _wait_for_local_rate_limit(key: str, gap: float) -> float:
+    with _local_rate_limit_lock:
+        now = time.time()
+        next_allowed = _local_next_allowed.get(key, now)
+        waited = max(0.0, next_allowed - now)
+        _local_next_allowed[key] = max(now, next_allowed) + gap
+    if waited > 0:
+        time.sleep(waited)
+    return waited

tests/test_imap_parser.py

@@ -1,14 +1,18 @@
 from __future__ import annotations
 
 import unittest
+from unittest.mock import patch
 
+from govoplan_mail.backend.config import ImapConfig
 from govoplan_mail.backend.sending.imap import (
     _detect_sent_folder,
     _extract_mailbox_name,
     _normalize_mailbox_page,
     _paged_descending_sequences,
     _parse_fetch_sequence,
+    _select_readonly,
     _sequence_set,
+    append_message_to_sent,
 )
 
 
@@ -69,5 +73,47 @@ class ImapMessagePaginationTests(unittest.TestCase):
         self.assertEqual(_normalize_mailbox_page(folder=" Sent ", limit=500, offset=3), ("Sent", 100, 3))
 
 
+class ImapMailboxCommandTests(unittest.TestCase):
+    def test_select_quotes_mailbox_name_with_spaces(self):
+        class Client:
+            untagged_responses = {"EXISTS": [b"0"], "UIDVALIDITY": [b"1"]}
+
+            def select(self, mailbox, readonly=False):
+                self.mailbox = mailbox
+                self.readonly = readonly
+                return "OK", [b"0"]
+
+            def response(self, code):
+                return "OK", [b"1"] if code == "UIDVALIDITY" else []
+
+        client = Client()
+
+        self.assertEqual(_select_readonly(client, "Gesendete Elemente"), (0, "1"))
+        self.assertEqual(client.mailbox, '"Gesendete Elemente"')
+        self.assertTrue(client.readonly)
+
+    def test_append_quotes_mailbox_name_with_spaces(self):
+        class Client:
+            def append(self, mailbox, flags, date_time, message):
+                self.mailbox = mailbox
+                self.flags = flags
+                self.date_time = date_time
+                self.message = message
+                return "OK", [b"APPEND completed"]
+
+            def logout(self):
+                return "BYE", [b"logged out"]
+
+        client = Client()
+        config = ImapConfig(host="imap.example.org", username="user", password="secret", sent_folder="auto")
+
+        with patch("govoplan_mail.backend.sending.imap._open_imap", return_value=client):
+            result = append_message_to_sent(b"Subject: test\r\n\r\nBody", imap_config=config, folder="Gesendete Elemente")
+
+        self.assertEqual(client.mailbox, '"Gesendete Elemente"')
+        self.assertEqual(result.folder, "Gesendete Elemente")
+        self.assertEqual(result.bytes_appended, len(b"Subject: test\r\n\r\nBody"))
+
+
 if __name__ == "__main__":
     unittest.main()

tests/test_rate_limit.py

@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+import unittest
+from unittest.mock import patch
+
+from redis.exceptions import RedisError
+
+from govoplan_mail.backend.sending import rate_limit
+
+
+class RateLimitTests(unittest.TestCase):
+    def setUp(self) -> None:
+        rate_limit._local_next_allowed.clear()
+
+    def test_local_fallback_waits_between_sends(self) -> None:
+        now = [100.0]
+        sleeps: list[float] = []
+
+        def fake_time() -> float:
+            return now[0]
+
+        def fake_sleep(seconds: float) -> None:
+            sleeps.append(seconds)
+            now[0] += seconds
+
+        with (
+            patch.object(rate_limit, "_distributed_rate_limit_enabled", return_value=False),
+            patch.object(rate_limit.time, "time", fake_time),
+            patch.object(rate_limit.time, "sleep", fake_sleep),
+        ):
+            first = rate_limit.wait_for_rate_limit(key="tenant:t:campaign:c", messages_per_minute=4)
+            second = rate_limit.wait_for_rate_limit(key="tenant:t:campaign:c", messages_per_minute=4)
+
+        self.assertEqual(first.waited_seconds, 0.0)
+        self.assertEqual(second.waited_seconds, 15.0)
+        self.assertEqual(sleeps, [15.0])
+
+    def test_disabled_rate_limit_does_not_reserve_local_slot(self) -> None:
+        now = [100.0]
+        sleeps: list[float] = []
+
+        with (
+            patch.object(rate_limit, "_distributed_rate_limit_enabled", return_value=False),
+            patch.object(rate_limit.time, "time", lambda: now[0]),
+            patch.object(rate_limit.time, "sleep", lambda seconds: sleeps.append(seconds)),
+        ):
+            disabled = rate_limit.wait_for_rate_limit(key="k", messages_per_minute=4, enabled=False)
+            enabled = rate_limit.wait_for_rate_limit(key="k", messages_per_minute=4)
+
+        self.assertEqual(disabled.waited_seconds, 0.0)
+        self.assertEqual(enabled.waited_seconds, 0.0)
+        self.assertEqual(sleeps, [])
+
+    def test_redis_failure_falls_back_to_local_wait(self) -> None:
+        now = [100.0]
+        sleeps: list[float] = []
+
+        def fail_redis_client():
+            raise RedisError("redis unavailable")
+
+        def fake_sleep(seconds: float) -> None:
+            sleeps.append(seconds)
+            now[0] += seconds
+
+        with (
+            patch.object(rate_limit, "_distributed_rate_limit_enabled", return_value=True),
+            patch.object(rate_limit, "_redis_client", fail_redis_client),
+            patch.object(rate_limit.time, "time", lambda: now[0]),
+            patch.object(rate_limit.time, "sleep", fake_sleep),
+        ):
+            first = rate_limit.wait_for_rate_limit(key="k", messages_per_minute=60)
+            second = rate_limit.wait_for_rate_limit(key="k", messages_per_minute=60)
+
+        self.assertEqual(first.waited_seconds, 0.0)
+        self.assertEqual(second.waited_seconds, 1.0)
+        self.assertEqual(sleeps, [1.0])
+
+
+if __name__ == "__main__":
+    unittest.main()

webui/src/features/mail/MailProfileManagement.tsx

@@ -1,5 +1,5 @@
 import { useEffect, useMemo, useState, type ReactNode } from "react";
-import { ConnectionTree, FieldLabel, LoadingFrame, MailServerSettingsPanel, PolicyLockedHint, PolicyPathHelp, PolicyRow, PolicySourcePath, PolicyTable, ToggleSwitch, hasMailImapSettings, mailImapSettingsPayload, mailServerSecurityOptions, mailSmtpSettingsPayload, mailTextOrNull, mailTransportCredentialsPayload, mergeDeltaRows, normalizeMailServerSecurity, normalizePolicySourcePathItems, useDeltaWatermarks, type ConnectionTreeColumn, type MailServerConnectionTestResult, type MailServerCredentialSettings, type MailServerFolderLookupResult, type MailServerImapSettings, type MailServerSmtpSettings, type NormalizedPolicySourcePathItem, type PolicySourcePathItem } from "@govoplan/core-webui";
+import { ConnectionTree, FieldLabel, LoadingFrame, MailServerSettingsPanel, PolicyLockedHint, PolicyPathHelp, PolicyRow, PolicySourcePath, PolicyTable, ToggleSwitch, hasMailImapSettings, mailImapSettingsPayload, mailServerSecurityOptions, mailSmtpSettingsPayload, mailTextOrNull, mailTransportCredentialsPayload, mergeDeltaRows, normalizeMailServerSecurity, normalizePolicySourcePathItems, useDeltaWatermarks, type ConnectionTreeColumn, type MailServerConnectionTestResult, type MailServerCredentialSettings, type MailServerImapSettings, type MailServerSmtpSettings, type NormalizedPolicySourcePathItem, type PolicySourcePathItem } from "@govoplan/core-webui";
 import { Pencil, Plus, Trash2 } from "lucide-react";
 import type { ApiSettings } from "../../types";
 import {
@@ -7,8 +7,6 @@ import {
   deactivateMailServerProfile,
   fetchMailSettingsDelta,
   getMailProfilePolicy,
-  listImapFolders,
-  listMailProfileImapFolders,
   mailProfilePatternKeys,
   mailProfilePolicyLimitKeys,
   updateMailProfilePolicy,
@@ -804,8 +802,7 @@ function ProfileForm({
 }: {settings: ApiSettings;draft: ProfileDraft;setDraft: (draft: ProfileDraft) => void;editing: EditingProfile;busy: boolean;canWrite: boolean;canManageCredentials: boolean;effectivePolicy?: MailProfilePolicy | null;editTarget: MailProfileEditTarget;}) {
   const [smtpTestResult, setSmtpTestResult] = useState<MailServerConnectionTestResult | null>(null);
   const [imapTestResult, setImapTestResult] = useState<MailServerConnectionTestResult | null>(null);
-  const [folderResult, setFolderResult] = useState<MailServerFolderLookupResult | null>(null);
+  const [mailActionState, setMailActionState] = useState<"smtp" | "imap" | null>(null);
-  const [mailActionState, setMailActionState] = useState<"smtp" | "imap" | "folders" | null>(null);
 
   const disabled = busy || !canWrite;
   const credentialDisabled = disabled || !canManageCredentials;
@@ -826,7 +823,6 @@ function ProfileForm({
   useEffect(() => {
     setSmtpTestResult(null);
     setImapTestResult(null);
-    setFolderResult(null);
     setMailActionState(null);
   }, [editing, editTarget]);
 
@@ -851,8 +847,6 @@ function ProfileForm({
     });
   }
 
-
-
   function patchSmtpCredentials(patch: Partial<MailServerCredentialSettings>) {
     setDraft({
       ...draft,
@@ -898,27 +892,6 @@ function ProfileForm({
     }
   }
 
-  async function runFolderLookup() {
-    if (!draftHasImap) return;
-    setMailActionState("folders");
-    setFolderResult(null);
-    try {
-      setFolderResult(useSavedImapTest && existingProfile ?
-      await listMailProfileImapFolders(settings, existingProfile.id) :
-      await listImapFolders(settings, rawImapPayload(draft, false)));
-    } catch (err) {
-      setFolderResult({ ok: false, message: errorMessage(err), folders: [] });
-    } finally {
-      setMailActionState(null);
-    }
-  }
-
-  function useDetectedSentFolder() {
-    const folder = folderResult?.detected_sent_folder;
-    if (!folder || disabled || !draftHasImap) return;
-    setDraft({ ...draft, imapSentFolder: folder });
-  }
-
   return (
     <div className="mail-profile-form">
       {showProfileFields &&
@@ -963,12 +936,8 @@ function ProfileForm({
         busyAction={mailActionState}
         onTestSmtp={() => void runSmtpTest()}
         onTestImap={() => void runImapTest()}
-        onLookupFolders={() => void runFolderLookup()}
         smtpTestResult={smtpTestResult}
         imapTestResult={imapTestResult}
-        folderLookupResult={folderResult}
-        onUseDetectedFolder={useDetectedSentFolder}
-        useDetectedFolderDisabled={disabled || !draftHasImap}
         initialSection={initialSection}
         visibleSections={visibleSections}
         mode={settingsPanelMode} />

webui/src/features/mail/mailProfileEditorModel.ts

@@ -1,5 +1,5 @@
 export type MailProfileProtocol = "smtp" | "imap";
-export type MailProfileEditSection = MailProfileProtocol | "advanced";
+export type MailProfileEditSection = MailProfileProtocol;
 export type MailProfilePanelMode = "all" | "server" | "credentials";
 
 export type MailProfileEditTarget =
@@ -47,7 +47,7 @@ export function mailProfileEditTargetPanelMode(target: MailProfileEditTarget): M
 
 export function mailProfileEditTargetVisibleSections(target: MailProfileEditTarget): MailProfileEditSection[] {
   if (target.kind === "server" || target.kind === "credentials") return [target.protocol];
-  if (target.kind === "create") return ["smtp", "imap", "advanced"];
+  if (target.kind === "create") return ["smtp", "imap"];
   return [];
 }
 

webui/tests/mail-profile-editor-model.test.ts

@@ -40,9 +40,9 @@ assertEqual(mailProfileEditTargetInitialSection({ kind: "server", protocol: "ima
 assertEqual(mailProfileEditTargetPanelMode({ kind: "server", protocol: "smtp" }), "server");
 assertEqual(mailProfileEditTargetPanelMode({ kind: "credentials", protocol: "imap" }), "credentials");
 assertEqual(mailProfileEditTargetPanelMode({ kind: "profile" }), null);
+assertDeepEqual(mailProfileEditTargetVisibleSections({ kind: "create" }), ["smtp", "imap"]);
 assertDeepEqual(mailProfileEditTargetVisibleSections({ kind: "credentials", protocol: "imap" }), ["imap"]);
 assertEqual(mailProfileEditTargetShowsProfileFields({ kind: "profile" }), true);
 assertEqual(mailProfileEditTargetShowsProfileFields({ kind: "server", protocol: "smtp" }), false);
 assertEqual(mailProfileEditTargetShowsSettingsPanel({ kind: "profile" }), false);
 assertEqual(mailProfileEditTargetShowsSettingsPanel({ kind: "create" }), true);
-