diff --git a/.claude/settings.json b/.claude/settings.json
index c3720b2..1267dd3 100644
--- a/.claude/settings.json
+++ b/.claude/settings.json
@@ -15,7 +15,17 @@
       "Bash(docker stop:*)",
       "WebFetch(domain:tomo1joy.com)",
       "Bash(bash wm-api.sh update-flow f/mail/mail_filter flows/mail_filter.flow.json)",
-      "Read(//c/Users/akira/Develop/windmill//**)"
+      "Read(//c/Users/akira/Develop/windmill//**)",
+      "Bash(node:*)",
+      "Bash(LOCAL_TOKEN=\"vumGZlOutdnH96hyLpjJgeZESQQBrMPy\")",
+      "Bash(LOCAL_URL=\"http://localhost\")",
+      "Bash(JOB_ID=\"019c897a-001f-9423-bcc2-4dd1513ca359\")",
+      "Bash(__NEW_LINE_28c5753346567a25__ curl -s -H \"Authorization: Bearer $LOCAL_TOKEN\" \"$LOCAL_URL/api/w/admins/jobs_u/get/$JOB_ID\")",
+      "Bash(__NEW_LINE_aebb361c1bf1f403__ curl -s -H \"Authorization: Bearer $LOCAL_TOKEN\" \"$LOCAL_URL/api/w/admins/jobs_u/get/$JOB_ID\")",
+      "Bash(__NEW_LINE_aebb361c1bf1f403__ node -e \":*)"
+    ],
+    "additionalDirectories": [
+      "C:\\Users\\akira\\AppData\\Local\\Temp"
     ]
   }
 }
diff --git a/CLAUDE.md b/CLAUDE.md
index e38aa89..fa3f2cf 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -221,7 +221,10 @@ Variety (品種マスタ)
    - ルール管理API（JWT認証）: `GET/POST/DELETE /api/mail/senders/`
    - フィードバックページ: `/mail/feedback/[token]`（LINEからタップ一発、認証不要）
    - ルール管理ページ: `/mail/rules/`
+   - 処理履歴ページ: `/mail/history/`
+   - 対応アカウント: Gmail（有効）、infoseek.jp（Outlook→Gmail転送で対応、To:ヘッダで判別）、Hotmail/Xserver（flow.jsonでenable可能）
    - 仕様書: `document/メールフィルタ/mail_filter_spec.md`
+   - Windmill フロー: `f/mail/mail_filter`（ローカル: localhost, 本番: windmill.keinafarm.net — 本番デプロイ未実施）
 
 ### 🚧 既知の課題・技術的負債
 
diff --git a/backend/apps/mail/migrations/0004_rename_infoseek_to_gmail_service.py b/backend/apps/mail/migrations/0004_rename_infoseek_to_gmail_service.py
new file mode 100644
index 0000000..ddd97ac
--- /dev/null
+++ b/backend/apps/mail/migrations/0004_rename_infoseek_to_gmail_service.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2026-02-23 07:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mail', '0003_add_infoseek_account'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='mailemail',
+            name='account',
+            field=models.CharField(choices=[('xserver', 'Xserver'), ('gmail', 'Gmail'), ('hotmail', 'Hotmail'), ('gmail_service', 'Gmail (サービス用)')], max_length=20, verbose_name='アカウント'),
+        ),
+    ]
diff --git a/backend/apps/mail/models.py b/backend/apps/mail/models.py
index 09cdd8f..618d68a 100644
--- a/backend/apps/mail/models.py
+++ b/backend/apps/mail/models.py
@@ -45,7 +45,7 @@ ACCOUNT_CHOICES = [
     ('xserver', 'Xserver'),
     ('gmail', 'Gmail'),
     ('hotmail', 'Hotmail'),
-    ('infoseek', 'Infoseek (転送)'),
+    ('gmail_service', 'Gmail (サービス用)'),
 ]
 
 FEEDBACK_CHOICES = [
diff --git a/frontend/src/app/mail/history/page.tsx b/frontend/src/app/mail/history/page.tsx
index 5d352e7..f1c2fc6 100644
--- a/frontend/src/app/mail/history/page.tsx
+++ b/frontend/src/app/mail/history/page.tsx
@@ -31,7 +31,7 @@ const ACCOUNT_LABELS: Record<string, string> = {
   gmail: 'Gmail',
   hotmail: 'Hotmail',
   xserver: 'Xserver',
-  infoseek: 'Infoseek (転送)',
+  gmail_service: 'Gmail (サービス用)',
 };
 
 export default function MailHistoryPage() {
@@ -98,7 +98,7 @@ export default function MailHistoryPage() {
             <option value="gmail">Gmail</option>
             <option value="hotmail">Hotmail</option>
             <option value="xserver">Xserver</option>
-            <option value="infoseek">Infoseek (転送)</option>
+            <option value="gmail_service">Gmail (サービス用)</option>
           </select>
           <select
             value={filterVerdict}