diff --git a/VERSION b/VERSION
index 3c43790..c04c650 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.6
+1.2.7
diff --git a/apps/web/src/lib/language.tsx b/apps/web/src/lib/language.tsx
index 43fa781..3031c83 100644
--- a/apps/web/src/lib/language.tsx
+++ b/apps/web/src/lib/language.tsx
@@ -183,6 +183,10 @@ const exactTranslations: Record<string, Translation> = {
   "前往个人中心": { "zh-TW": "前往個人中心", en: "Go to profile" },
   "请前往邮箱管理，创建、申请或联系管理员分配邮箱。": { "zh-TW": "請前往信箱管理，建立、申請或聯絡管理員分配信箱。", en: "Open mailbox management to create, request, or ask an administrator to assign a mailbox." },
   "前往邮箱管理": { "zh-TW": "前往信箱管理", en: "Go to mailbox management" },
+  "提示：尚未选择开放域名。请在“后台管理 → 系统设置 → 邮件”中至少勾选一个已启用域名。": { "zh-TW": "提示：尚未選擇開放網域。請在「後台管理 → 系統設定 → 郵件」中至少勾選一個已啟用網域。", en: "No domain is open for mailbox requests. Open Admin → System settings → Mail and select at least one active domain." },
+  "提示：账号自助申请邮箱未开启。请在“后台管理 → 系统设置 → 邮件”中开启，并勾选开放域名。": { "zh-TW": "提示：帳號自助申請信箱尚未開啟。請在「後台管理 → 系統設定 → 郵件」中開啟，並勾選開放網域。", en: "Mailbox self-service is disabled. Enable it under Admin → System settings → Mail, then select the available domains." },
+  "提示：当前账号暂不可创建新邮箱，请联系管理员开启账号自助申请邮箱。": { "zh-TW": "提示：目前帳號暫時無法建立新信箱，請聯絡管理員開啟帳號自助申請信箱。", en: "This account cannot create a mailbox. Ask an administrator to enable mailbox self-service." },
+  "前往设置": { "zh-TW": "前往設定", en: "Open settings" },
   "无邮箱前台权限": { "zh-TW": "無信箱前台權限", en: "No mailbox access" },
   "当前账号未开启邮箱前台访问权限。": { "zh-TW": "目前帳號未開啟信箱前台存取權限。", en: "Mailbox access is not enabled for this account." },
   "无邮件查看权限": { "zh-TW": "無郵件檢視權限", en: "No mail read permission" },
diff --git a/apps/web/src/pages/admin.tsx b/apps/web/src/pages/admin.tsx
index ee8daf7..19ef8a6 100644
--- a/apps/web/src/pages/admin.tsx
+++ b/apps/web/src/pages/admin.tsx
@@ -27,6 +27,7 @@ import { hasAnyPermission, hasPermission } from "@/lib/permissions"
 import type { PermissionKey } from "@/lib/api-types"
 
 type Section = "overview" | "users" | "permissionGroups" | "domains" | "mailboxes" | "aliases" | "messages" | "sendAudit" | "settings"
+type SettingsTab = "base" | "smtp" | "storage" | "mail" | "externalImap" | "templates" | "security" | "about"
 type PendingConfirm = { title: string; description?: string; confirmText: string; onConfirm: () => void }
 
 const sectionMeta: Record<Section, { label: string; frontLabel: string; description: string }> = {
@@ -132,7 +133,7 @@ export function AdminPage() {
         {section === "aliases" && <AliasesSection aliases={aliasItems} domains={domainItems} />}
         {section === "messages" && <AdminMessagesSection mailboxes={mailboxItems} systemAdmin={user?.role === "admin"} />}
         {section === "sendAudit" && <AdminSendAuditSection mailboxes={mailboxItems} />}
-        {section === "settings" && <SystemSettingsSection settings={settings.data} domains={domainItems} />}
+        {section === "settings" && <SystemSettingsSection settings={settings.data} domains={domainItems} initialTab={params.get("settingsTab")} />}
       </main>
     </ScrollArea>
   )
@@ -1018,7 +1019,7 @@ function AdminSendAuditSection({ mailboxes }: { mailboxes: MailboxType[] }) {
   )
 }
 
-function SystemSettingsSection({ settings, domains }: { settings?: SystemSettings; domains: Domain[] }) {
+function SystemSettingsSection({ settings, domains, initialTab }: { settings?: SystemSettings; domains: Domain[]; initialTab?: string | null }) {
   const me = useMe()
   const user = me.data?.user
   const qc = useQueryClient()
@@ -1030,7 +1031,8 @@ function SystemSettingsSection({ settings, domains }: { settings?: SystemSetting
   const canUpdateTemplates = hasPermission(user, "admin.templates.update")
   const canResetTemplates = hasPermission(user, "admin.templates.reset")
   const templates = useQuery({ queryKey: ["admin", "mail-templates"], queryFn: api.mailTemplates, enabled: canViewTemplates })
-  const [settingsTab, setSettingsTab] = React.useState<"base" | "smtp" | "storage" | "mail" | "externalImap" | "templates" | "security" | "about">("base")
+  const requestedTab = initialTab as SettingsTab | undefined
+  const [settingsTab, setSettingsTab] = React.useState<SettingsTab>(() => requestedTab && ["base", "smtp", "storage", "mail", "externalImap", "templates", "security", "about"].includes(requestedTab) ? requestedTab : "base")
   const maildirHealth = useQuery({ queryKey: ["admin", "maildir-sync", "health"], queryFn: api.maildirSyncHealth, enabled: canSettingsView && settingsTab === "storage" })
   const [smtpRequireTls, setSmtpRequireTls] = React.useState(false)
   const [allowInsecureHttp, setAllowInsecureHttp] = React.useState(true)
diff --git a/apps/web/src/pages/profile.tsx b/apps/web/src/pages/profile.tsx
index d97ced9..172a7f2 100644
--- a/apps/web/src/pages/profile.tsx
+++ b/apps/web/src/pages/profile.tsx
@@ -82,6 +82,7 @@ export function ProfilePage() {
   const canManageBlocked = hasPermission(user, "mail.blocked_senders.manage")
   const canViewStats = hasPermission(user, "mail.stats.view")
   const canApplyMailbox = hasPermission(user, "mail.mailboxes.apply")
+  const canConfigureMailboxApply = hasPermission(user, "admin.settings.update")
   const visibleTabKeys = tabKeys.filter((key) => {
     if (key === "profile") return true
     if (key === "mailboxes") return canAccessMail || canApplyMailbox
@@ -453,6 +454,7 @@ export function ProfilePage() {
         mailboxes={canAccessMail ? mailboxes.data?.items || [] : []}
         applyOptions={mailboxApplyOptions.data}
         applyPending={applyMailbox.isPending}
+        canConfigureApply={canConfigureMailboxApply}
         selectedMailboxId={mailboxId}
         externalImapEnabled={externalImapEnabled}
         externalAccounts={externalImapAccounts.data?.items || []}
@@ -464,6 +466,7 @@ export function ProfilePage() {
         onSelect={setMailboxId}
         onOpen={(id) => { if (!canAccessMail) return; setMailboxId(id); navigate("/") }}
         onApply={(payload) => applyMailbox.mutateAsync(payload).then(() => undefined)}
+        onConfigureApply={() => navigate("/admin?section=settings&settingsTab=mail")}
         onCreateExternal={(payload) => createExternalImap.mutate(payload)}
         onStartExternalOAuth={(provider, payload) => startExternalOAuth.mutate({ provider, ...payload })}
         onUpdateExternal={(id, payload) => updateExternalImap.mutate({ id, payload })}
@@ -1000,6 +1003,7 @@ function MailboxManagement({
   mailboxes,
   applyOptions,
   applyPending,
+  canConfigureApply,
   selectedMailboxId,
   externalImapEnabled,
   externalAccounts,
@@ -1011,6 +1015,7 @@ function MailboxManagement({
   onSelect,
   onOpen,
   onApply,
+  onConfigureApply,
   onCreateExternal,
   onStartExternalOAuth,
   onUpdateExternal,
@@ -1022,6 +1027,7 @@ function MailboxManagement({
   mailboxes: Mailbox[]
   applyOptions?: MailboxApplyOptions
   applyPending: boolean
+  canConfigureApply: boolean
   selectedMailboxId: string
   externalImapEnabled: boolean
   externalAccounts: ExternalImapAccount[]
@@ -1033,6 +1039,7 @@ function MailboxManagement({
   onSelect: (id: string) => void
   onOpen: (id: string) => void
   onApply: (payload: { domainId: string; localPart: string; displayName: string }) => Promise<void>
+  onConfigureApply: () => void
   onCreateExternal: (payload: ExternalImapAccountPayload) => void
   onStartExternalOAuth: (provider: ExternalImapOAuthProvider, payload: { mailboxId: string; email: string; storageMode: ExternalImapStorageMode }) => void
   onUpdateExternal: (id: string, payload: ExternalImapAccountPayload) => void
@@ -1208,9 +1215,16 @@ function MailboxManagement({
           </select>
           <Button className="h-[42px] px-0" disabled={!canApply || applyPending || !selectedDomain || !localPart.trim()}>{applyPending ? "创建中" : "创建"}</Button>
         </form>
-        <p className="mt-4 text-sm text-muted-foreground">
-          {canApply ? "提示：邮箱数量受账号配额限制，管理员可在后台为单个账号调整可创建数量。" : "提示：当前账号暂不可创建新邮箱。"}
-        </p>
+        <div className="mt-4 flex flex-wrap items-center gap-x-2 gap-y-1 text-sm text-muted-foreground">
+          <span>{canApply
+            ? "提示：邮箱数量受账号配额限制，管理员可在后台为单个账号调整可创建数量。"
+            : canConfigureApply && applyOptions?.enabled
+              ? "提示：尚未选择开放域名。请在“后台管理 → 系统设置 → 邮件”中至少勾选一个已启用域名。"
+              : canConfigureApply
+                ? "提示：账号自助申请邮箱未开启。请在“后台管理 → 系统设置 → 邮件”中开启，并勾选开放域名。"
+                : "提示：当前账号暂不可创建新邮箱，请联系管理员开启账号自助申请邮箱。"}</span>
+          {!canApply && canConfigureApply && <Button type="button" variant="link" className="h-auto p-0 text-sm" onClick={onConfigureApply}>前往设置</Button>}
+        </div>
       </section>
 
       <section className="rounded-lg border bg-card">