diff --git a/background.js b/background.js
index 0f5aea1..3d4fc59 100644
--- a/background.js
+++ b/background.js
@@ -139,10 +139,12 @@ const ICLOUD_LOGIN_URLS = [
 ];
 const ICLOUD_PROVIDER = 'icloud';
 const GMAIL_PROVIDER = 'gmail';
+const GMAIL_ALIAS_GENERATOR = 'gmail-alias';
 const HOTMAIL_PROVIDER = 'hotmail-api';
 const LUCKMAIL_PROVIDER = 'luckmail-api';
 const CLOUDFLARE_TEMP_EMAIL_PROVIDER = 'cloudflare-temp-email';
 const CLOUDFLARE_TEMP_EMAIL_GENERATOR = 'cloudflare-temp-email';
+const CUSTOM_EMAIL_POOL_GENERATOR = 'custom-pool';
 const HOTMAIL_MAILBOXES = ['INBOX', 'Junk'];
 const STOP_ERROR_MESSAGE = '流程已被用户停止。';
 const CLOUDFLARE_SECURITY_BLOCK_ERROR_PREFIX = 'CF_SECURITY_BLOCKED::';
@@ -263,6 +265,7 @@ const PERSISTED_SETTING_DEFAULTS = {
   mail2925Mode: DEFAULT_MAIL_2925_MODE,
   mail2925UseAccountPool: false,
   emailGenerator: 'duck',
+  customEmailPool: [],
   autoDeleteUsedIcloudAlias: false,
   icloudHostPreference: 'auto',
   accountRunHistoryTextEnabled: false,
@@ -640,9 +643,21 @@ function getAutoRunTimerStatusPayload(plan) {
 
 function normalizeEmailGenerator(value = '') {
   const normalized = String(value || '').trim().toLowerCase();
+  const customEmailPoolGenerator = typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+    ? CUSTOM_EMAIL_POOL_GENERATOR
+    : 'custom-pool';
+  const gmailAliasGenerator = typeof GMAIL_ALIAS_GENERATOR === 'string'
+    ? GMAIL_ALIAS_GENERATOR
+    : 'gmail-alias';
   if (normalized === 'custom' || normalized === 'manual') {
     return 'custom';
   }
+  if (normalized === gmailAliasGenerator) {
+    return gmailAliasGenerator;
+  }
+  if (normalized === customEmailPoolGenerator) {
+    return customEmailPoolGenerator;
+  }
   if (normalized === 'icloud') {
     return 'icloud';
   }
@@ -651,6 +666,36 @@ function normalizeEmailGenerator(value = '') {
   return 'duck';
 }
 
+function normalizeCustomEmailPool(value = []) {
+  const source = Array.isArray(value)
+    ? value
+    : String(value || '').split(/[\r\n,，;；]+/);
+
+  return source
+    .map((item) => String(item || '').trim().toLowerCase())
+    .filter((item) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(item));
+}
+
+function isCustomEmailPoolGenerator(stateOrValue = {}) {
+  const generator = typeof stateOrValue === 'string'
+    ? stateOrValue
+    : stateOrValue?.emailGenerator;
+  const customEmailPoolGenerator = typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+    ? CUSTOM_EMAIL_POOL_GENERATOR
+    : 'custom-pool';
+  return normalizeEmailGenerator(generator) === customEmailPoolGenerator;
+}
+
+function getCustomEmailPool(state = {}) {
+  return normalizeCustomEmailPool(state?.customEmailPool);
+}
+
+function getCustomEmailPoolEmailForRun(state = {}, targetRun = 1) {
+  const entries = getCustomEmailPool(state);
+  const numericRun = Math.max(1, Math.floor(Number(targetRun) || 1));
+  return entries[numericRun - 1] || '';
+}
+
 function normalizePanelMode(value = '') {
   return String(value || '').trim().toLowerCase() === 'sub2api' ? 'sub2api' : 'cpa';
 }
@@ -894,6 +939,8 @@ function normalizePersistentSettingValue(key, value) {
       return Boolean(value);
     case 'emailGenerator':
       return normalizeEmailGenerator(value);
+    case 'customEmailPool':
+      return normalizeCustomEmailPool(value);
     case 'autoDeleteUsedIcloudAlias':
     case 'accountRunHistoryTextEnabled':
       return Boolean(value);
@@ -2130,6 +2177,18 @@ function parseGmailBaseEmail(rawValue) {
 }
 
 function isGeneratedAliasProvider(stateOrProvider, mail2925Mode = undefined) {
+  if (
+    stateOrProvider
+    && typeof stateOrProvider === 'object'
+    && !Array.isArray(stateOrProvider)
+    && normalizeEmailGenerator(stateOrProvider.emailGenerator) === (
+      typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+        ? CUSTOM_EMAIL_POOL_GENERATOR
+        : 'custom-pool'
+    )
+  ) {
+    return false;
+  }
   const provider = typeof stateOrProvider === 'string'
     ? stateOrProvider
     : stateOrProvider?.mailProvider;
@@ -2287,6 +2346,18 @@ function getManagedAliasBaseEmail(state = {}, provider = state?.mailProvider) {
 }
 
 function isGeneratedAliasProvider(stateOrProvider, mail2925Mode = undefined) {
+  if (
+    stateOrProvider
+    && typeof stateOrProvider === 'object'
+    && !Array.isArray(stateOrProvider)
+    && normalizeEmailGenerator(stateOrProvider.emailGenerator) === (
+      typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+        ? CUSTOM_EMAIL_POOL_GENERATOR
+        : 'custom-pool'
+    )
+  ) {
+    return false;
+  }
   const provider = typeof stateOrProvider === 'string'
     ? stateOrProvider
     : stateOrProvider?.mailProvider;
@@ -4999,7 +5070,12 @@ async function handleStepData(step, payload) {
         });
       }
       await finalizeIcloudAliasAfterSuccessfulFlow(latestState);
-      if (shouldUseCustomRegistrationEmail(latestState) && latestState.email) {
+      const shouldClearCustomPoolEmail = String(latestState?.emailGenerator || '').trim().toLowerCase() === (
+        typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+          ? CUSTOM_EMAIL_POOL_GENERATOR
+          : 'custom-pool'
+      );
+      if ((shouldUseCustomRegistrationEmail(latestState) || shouldClearCustomPoolEmail) && latestState.email) {
         await setEmailStateSilently(null);
       }
       break;
@@ -5413,9 +5489,21 @@ async function executeStepAndWait(step, delayAfter = 2000) {
 }
 
 function getEmailGeneratorLabel(generator) {
+  const customEmailPoolGenerator = typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+    ? CUSTOM_EMAIL_POOL_GENERATOR
+    : 'custom-pool';
+  const gmailAliasGenerator = typeof GMAIL_ALIAS_GENERATOR === 'string'
+    ? GMAIL_ALIAS_GENERATOR
+    : 'gmail-alias';
   if (generator === 'custom') {
     return '自定义邮箱';
   }
+  if (generator === gmailAliasGenerator) {
+    return 'Gmail +tag 邮箱';
+  }
+  if (generator === customEmailPoolGenerator) {
+    return '自定义邮箱池';
+  }
   if (generator === 'icloud') {
     return 'iCloud 隐私邮箱';
   }
@@ -5515,11 +5603,13 @@ const generatedEmailHelpers = self.MultiPageGeneratedEmailHelpers?.createGenerat
   buildGeneratedAliasEmail,
   buildCloudflareTempEmailHeaders,
   CLOUDFLARE_TEMP_EMAIL_GENERATOR,
+  CUSTOM_EMAIL_POOL_GENERATOR,
   DUCK_AUTOFILL_URL,
   fetch,
   fetchIcloudHideMyEmail,
   getCloudflareTempEmailAddressFromResponse,
   getCloudflareTempEmailConfig,
+  getCustomEmailPoolEmail: getCustomEmailPoolEmailForRun,
   getState,
   ensureMail2925AccountForFlow,
   joinCloudflareTempEmailUrl,
@@ -5762,6 +5852,21 @@ async function ensureAutoEmailReady(targetRun, totalRuns, attemptRuns) {
     return currentState.email;
   }
 
+  if (isCustomEmailPoolGenerator(currentState)) {
+    const queuedEmail = getCustomEmailPoolEmailForRun(currentState, targetRun);
+    if (!queuedEmail) {
+      const poolSize = getCustomEmailPool(currentState).length;
+      throw new Error(
+        poolSize > 0
+          ? `自定义邮箱池第 ${targetRun} 个邮箱不存在，请检查邮箱池数量是否与自动轮数一致。`
+          : '自定义邮箱池为空，请先至少填写 1 个邮箱。'
+      );
+    }
+    await setEmailState(queuedEmail);
+    await addLog(`=== 目标 ${targetRun}/${totalRuns} 轮：自定义邮箱池已就绪：${queuedEmail}（第 ${attemptRuns} 次尝试）===`, 'ok');
+    return queuedEmail;
+  }
+
   if (shouldUseCustomRegistrationEmail(currentState)) {
     await addLog(`=== 目标 ${targetRun}/${totalRuns} 轮已暂停：请先填写自定义注册邮箱，然后继续 ===`, 'warn');
     await broadcastAutoRunStatus('waiting_email', {
@@ -5880,6 +5985,21 @@ async function ensureAutoEmailReady(targetRun, totalRuns, attemptRuns) {
     return currentState.email;
   }
 
+  if (isCustomEmailPoolGenerator(currentState)) {
+    const queuedEmail = getCustomEmailPoolEmailForRun(currentState, targetRun);
+    if (!queuedEmail) {
+      const poolSize = getCustomEmailPool(currentState).length;
+      throw new Error(
+        poolSize > 0
+          ? `自定义邮箱池第 ${targetRun} 个邮箱不存在，请检查邮箱池数量是否与自动轮数一致。`
+          : '自定义邮箱池为空，请先至少填写 1 个邮箱。'
+      );
+    }
+    await setEmailState(queuedEmail);
+    await addLog(`=== 目标 ${targetRun}/${totalRuns} 轮：自定义邮箱池已就绪：${queuedEmail}（第 ${attemptRuns} 次尝试）===`, 'ok');
+    return queuedEmail;
+  }
+
   if (shouldUseCustomRegistrationEmail(currentState)) {
     await addLog(`=== 目标 ${targetRun}/${totalRuns} 轮已暂停：请先填写自定义注册邮箱，然后继续 ===`, 'warn');
     await broadcastAutoRunStatus('waiting_email', {
diff --git a/background/generated-email-helpers.js b/background/generated-email-helpers.js
index 3d924a7..f5ec2b3 100644
--- a/background/generated-email-helpers.js
+++ b/background/generated-email-helpers.js
@@ -7,11 +7,13 @@
       buildGeneratedAliasEmail,
       buildCloudflareTempEmailHeaders,
       CLOUDFLARE_TEMP_EMAIL_GENERATOR,
+      CUSTOM_EMAIL_POOL_GENERATOR,
       DUCK_AUTOFILL_URL,
       fetch,
       fetchIcloudHideMyEmail,
       getCloudflareTempEmailAddressFromResponse,
       getCloudflareTempEmailConfig,
+      getCustomEmailPoolEmail,
       getState,
       ensureMail2925AccountForFlow,
       joinCloudflareTempEmailUrl,
@@ -188,6 +190,24 @@
       return result.email;
     }
 
+    async function fetchCustomEmailPoolEmail(state, options = {}) {
+      throwIfStopped();
+      const latestState = state || await getState();
+      const requestedIndex = Math.max(0, Math.floor(Number(options.poolIndex) || 0));
+      const email = String(getCustomEmailPoolEmail?.(latestState, requestedIndex + 1) || '').trim().toLowerCase();
+      if (!email) {
+        throw new Error(
+          requestedIndex > 0
+            ? `自定义邮箱池第 ${requestedIndex + 1} 个邮箱不存在，请检查邮箱池配置。`
+            : '自定义邮箱池为空，请先至少填写 1 个邮箱。'
+        );
+      }
+
+      await setEmailState(email);
+      await addLog(`自定义邮箱池：已取用 ${email}`, 'ok');
+      return email;
+    }
+
     async function fetchManagedAliasEmail(state, options = {}) {
       throwIfStopped();
       const provider = String(options.mailProvider || state?.mailProvider || '').trim().toLowerCase();
@@ -233,13 +253,19 @@
       const mail2925Mode = options.mail2925Mode !== undefined
         ? options.mail2925Mode
         : currentState.mail2925Mode;
-      if (isGeneratedAliasProvider?.(provider, mail2925Mode)) {
-        return fetchManagedAliasEmail(currentState, options);
-      }
       const generator = normalizeEmailGenerator(options.generator ?? currentState.emailGenerator);
       if (generator === 'custom') {
         throw new Error('当前邮箱生成方式为自定义邮箱，请直接填写注册邮箱。');
       }
+      if (generator === CUSTOM_EMAIL_POOL_GENERATOR) {
+        return fetchCustomEmailPoolEmail(currentState, options);
+      }
+      const shouldUseManagedAlias = typeof isGeneratedAliasProvider === 'function'
+        ? isGeneratedAliasProvider(currentState, mail2925Mode)
+        : false;
+      if (shouldUseManagedAlias) {
+        return fetchManagedAliasEmail(currentState, options);
+      }
       if (generator === 'icloud') {
         return fetchIcloudHideMyEmail();
       }
@@ -255,6 +281,7 @@
     return {
       ensureCloudflareTempEmailConfig,
       fetchCloudflareEmail,
+      fetchCustomEmailPoolEmail,
       fetchCloudflareTempEmailAddress,
       fetchDuckEmail,
       fetchGeneratedEmail,
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 835ae4b..0f3128d 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -229,12 +229,19 @@
       <div class="data-row" id="row-email-generator">
         <span class="data-label">邮箱生成</span>
         <select id="select-email-generator" class="data-select">
+          <option value="gmail-alias">Gmail +tag</option>
           <option value="duck">DuckDuckGo</option>
+          <option value="custom-pool">自定义邮箱池</option>
           <option value="cloudflare">Cloudflare</option>
           <option value="icloud">iCloud 隐私邮箱</option>
           <option value="cloudflare-temp-email">Cloudflare Temp Email</option>
         </select>
       </div>
+      <div class="data-row data-check-row" id="row-custom-email-pool" style="display:none;">
+        <span class="data-label">邮箱池</span>
+        <textarea id="input-custom-email-pool" class="data-textarea"
+          placeholder="每行一个邮箱，例如&#10;alias001@gmail.com&#10;alias002@gmail.com"></textarea>
+      </div>
       <div class="data-row" id="row-temp-email-base-url" style="display:none;">
         <span class="data-label">Temp API</span>
         <input type="text" id="input-temp-email-base-url" class="data-input" placeholder="https://your-worker-domain" />
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index 37a6d3e..38ecb8f 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -102,6 +102,8 @@ const rowMail2925PoolSettings = document.getElementById('row-mail2925-pool-setti
 const mail2925ModeButtons = Array.from(document.querySelectorAll('[data-mail2925-mode]'));
 const rowEmailGenerator = document.getElementById('row-email-generator');
 const selectEmailGenerator = document.getElementById('select-email-generator');
+const rowCustomEmailPool = document.getElementById('row-custom-email-pool');
+const inputCustomEmailPool = document.getElementById('input-custom-email-pool');
 const rowTempEmailBaseUrl = document.getElementById('row-temp-email-base-url');
 const inputTempEmailBaseUrl = document.getElementById('input-temp-email-base-url');
 const rowTempEmailAdminAuth = document.getElementById('row-temp-email-admin-auth');
@@ -254,7 +256,9 @@ const HOTMAIL_SERVICE_MODE_REMOTE = 'remote';
 const HOTMAIL_SERVICE_MODE_LOCAL = 'local';
 const ICLOUD_PROVIDER = 'icloud';
 const GMAIL_PROVIDER = 'gmail';
+const GMAIL_ALIAS_GENERATOR = 'gmail-alias';
 const LUCKMAIL_PROVIDER = 'luckmail-api';
+const CUSTOM_EMAIL_POOL_GENERATOR = 'custom-pool';
 const DEFAULT_LUCKMAIL_BASE_URL = 'https://mails.luckyous.com';
 const DEFAULT_LUCKMAIL_EMAIL_TYPE = 'ms_graph';
 const DISPLAY_TIMEZONE = 'Asia/Shanghai';
@@ -463,14 +467,14 @@ function getCurrentRegistrationEmailUiCopy() {
   if (isCustomMailProvider()) {
     return getCustomMailProviderUiCopy();
   }
-  if (isManagedAliasProvider()) {
+  if (usesGeneratedAliasMailProvider()) {
     return getManagedAliasProviderUiCopy();
   }
   return getEmailGeneratorUiCopy();
 }
 
 function isCurrentRegistrationEmailCompatible(email = inputEmail.value.trim(), provider = selectMailProvider.value, state = latestState) {
-  if (!isManagedAliasProvider(provider) || !email) {
+  if (!usesGeneratedAliasMailProvider(provider, getSelectedMail2925Mode()) || !email) {
     return true;
   }
   const baseEmail = getManagedAliasBaseEmailForProvider(provider, state);
@@ -606,8 +610,19 @@ const LOG_LEVEL_LABELS = {
   error: '错误',
 };
 
-function usesGeneratedAliasMailProvider(provider, mail2925Mode = getSelectedMail2925Mode()) {
-  return isManagedAliasProvider(provider, mail2925Mode);
+function usesGeneratedAliasMailProvider(
+  provider,
+  mail2925Mode = getSelectedMail2925Mode(),
+  generator = undefined
+) {
+  const customEmailPoolGenerator = typeof CUSTOM_EMAIL_POOL_GENERATOR === 'string'
+    ? CUSTOM_EMAIL_POOL_GENERATOR
+    : 'custom-pool';
+  const resolvedGenerator = generator !== undefined
+    ? generator
+    : (typeof getSelectedEmailGenerator === 'function' ? getSelectedEmailGenerator() : '');
+  return resolvedGenerator !== customEmailPoolGenerator
+    && isManagedAliasProvider(provider, mail2925Mode);
 }
 
 function parseGmailBaseEmail(rawValue = '') {
@@ -1173,7 +1188,37 @@ function formatAutoStepDelayInputValue(value) {
   return normalized === null ? '' : String(normalized);
 }
 
+function normalizeCustomEmailPoolEntries(value = '') {
+  const source = Array.isArray(value)
+    ? value
+    : String(value || '').split(/[\r\n,，;；]+/);
+
+  return source
+    .map((item) => String(item || '').trim().toLowerCase())
+    .filter((item) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(item));
+}
+
+function usesCustomEmailPoolGenerator(provider = selectMailProvider.value) {
+  return !isCustomMailProvider(provider)
+    && !isLuckmailProvider(provider)
+    && getSelectedEmailGenerator() === CUSTOM_EMAIL_POOL_GENERATOR;
+}
+
+function getCustomEmailPoolSize() {
+  return normalizeCustomEmailPoolEntries(inputCustomEmailPool?.value).length;
+}
+
+function syncRunCountFromCustomEmailPool() {
+  if (!usesCustomEmailPoolGenerator()) {
+    return;
+  }
+  inputRunCount.value = String(getCustomEmailPoolSize());
+}
+
 function getRunCountValue() {
+  if (typeof usesCustomEmailPoolGenerator === 'function' && usesCustomEmailPoolGenerator()) {
+    return getCustomEmailPoolSize();
+  }
   return Math.max(1, parseInt(inputRunCount.value, 10) || 1);
 }
 
@@ -1486,6 +1531,9 @@ function collectSettingsPayload() {
     mail2925Mode: getSelectedMail2925Mode(),
     mail2925UseAccountPool,
     emailGenerator: selectEmailGenerator.value,
+    customEmailPool: typeof normalizeCustomEmailPoolEntries === 'function'
+      ? normalizeCustomEmailPoolEntries(inputCustomEmailPool?.value)
+      : [],
     autoDeleteUsedIcloudAlias: checkboxAutoDeleteIcloud?.checked,
     icloudHostPreference: selectIcloudHostPreference?.value || 'auto',
     ...(contributionModeEnabled ? {} : {
@@ -1738,10 +1786,11 @@ function applyAutoRunStatus(payload = currentAutoRun) {
 
   setSettingsCardLocked(settingsCardLocked);
 
-  inputRunCount.disabled = currentAutoRun.autoRunning;
+  inputRunCount.disabled = currentAutoRun.autoRunning || usesCustomEmailPoolGenerator();
   btnAutoRun.disabled = currentAutoRun.autoRunning;
   btnFetchEmail.disabled = locked
-    || isCustomMailProvider();
+    || isCustomMailProvider()
+    || usesCustomEmailPoolGenerator();
   inputEmail.disabled = locked;
   inputAutoSkipFailures.disabled = scheduled;
 
@@ -1779,7 +1828,7 @@ function applyAutoRunStatus(payload = currentAutoRun) {
       setDefaultAutoRunButton();
       inputEmail.disabled = false;
       if (!locked) {
-        btnFetchEmail.disabled = isCustomMailProvider();
+        btnFetchEmail.disabled = isCustomMailProvider() || usesCustomEmailPoolGenerator();
       }
       break;
   }
@@ -1869,7 +1918,13 @@ function applySettingsState(state) {
   setMail2925Mode(state?.mail2925Mode);
   {
     const restoredEmailGenerator = String(state?.emailGenerator || '').trim().toLowerCase();
-    if (restoredEmailGenerator === 'icloud') {
+    if (restoredMailProvider === GMAIL_PROVIDER) {
+      selectEmailGenerator.value = restoredEmailGenerator === CUSTOM_EMAIL_POOL_GENERATOR
+        ? CUSTOM_EMAIL_POOL_GENERATOR
+        : GMAIL_ALIAS_GENERATOR;
+    } else if (restoredEmailGenerator === CUSTOM_EMAIL_POOL_GENERATOR) {
+      selectEmailGenerator.value = CUSTOM_EMAIL_POOL_GENERATOR;
+    } else if (restoredEmailGenerator === 'icloud') {
       selectEmailGenerator.value = 'icloud';
     } else if (restoredEmailGenerator === 'cloudflare') {
       selectEmailGenerator.value = 'cloudflare';
@@ -1905,6 +1960,9 @@ function applySettingsState(state) {
   setManagedAliasBaseEmailInputForProvider(restoredMailProvider, state);
   inputInbucketHost.value = state?.inbucketHost || '';
   inputInbucketMailbox.value = state?.inbucketMailbox || '';
+  if (inputCustomEmailPool) {
+    inputCustomEmailPool.value = normalizeCustomEmailPoolEntries(state?.customEmailPool).join('\n');
+  }
   setHotmailServiceMode(state?.hotmailServiceMode);
   inputHotmailRemoteBaseUrl.value = state?.hotmailRemoteBaseUrl || '';
   inputHotmailLocalBaseUrl.value = state?.hotmailLocalBaseUrl || '';
@@ -2390,6 +2448,12 @@ function getSelectedEmailGenerator() {
   if (generator === 'custom' || generator === 'manual') {
     return 'custom';
   }
+  if (generator === GMAIL_ALIAS_GENERATOR) {
+    return GMAIL_ALIAS_GENERATOR;
+  }
+  if (generator === CUSTOM_EMAIL_POOL_GENERATOR) {
+    return CUSTOM_EMAIL_POOL_GENERATOR;
+  }
   if (generator === 'icloud') {
     return 'icloud';
   }
@@ -2402,6 +2466,22 @@ function getEmailGeneratorUiCopy() {
   if (getSelectedEmailGenerator() === 'custom') {
     return getCustomMailProviderUiCopy();
   }
+  if (getSelectedEmailGenerator() === GMAIL_ALIAS_GENERATOR) {
+    return {
+      buttonLabel: '生成',
+      placeholder: '步骤 3 自动生成 Gmail +tag 邮箱并回填',
+      successVerb: '生成',
+      label: 'Gmail +tag 邮箱',
+    };
+  }
+  if (getSelectedEmailGenerator() === CUSTOM_EMAIL_POOL_GENERATOR) {
+    return {
+      buttonLabel: '取下一个',
+      placeholder: '按邮箱池顺序自动回填，也可以手动粘贴当前轮邮箱',
+      successVerb: '取用',
+      label: '自定义邮箱池',
+    };
+  }
   if (getSelectedEmailGenerator() === 'icloud') {
     return {
       buttonLabel: '获取',
@@ -2642,13 +2722,29 @@ function updateMailProviderUI() {
   const useMail2925 = selectMailProvider.value === '2925';
   const useMail2925AccountPool = useMail2925 && Boolean(inputMail2925UseAccountPool?.checked);
   const mail2925Mode = getSelectedMail2925Mode();
-  const useGeneratedAlias = usesGeneratedAliasMailProvider(selectMailProvider.value, mail2925Mode);
+  const gmailOnlyGenerators = new Set([GMAIL_ALIAS_GENERATOR, CUSTOM_EMAIL_POOL_GENERATOR]);
+  Array.from(selectEmailGenerator?.options || []).forEach((option) => {
+    if (!option) return;
+    if (useGmail) {
+      option.hidden = !gmailOnlyGenerators.has(String(option.value || '').trim().toLowerCase());
+      return;
+    }
+    option.hidden = String(option.value || '').trim().toLowerCase() === GMAIL_ALIAS_GENERATOR;
+  });
+  if (useGmail && !gmailOnlyGenerators.has(String(selectEmailGenerator.value || '').trim().toLowerCase())) {
+    selectEmailGenerator.value = GMAIL_ALIAS_GENERATOR;
+  }
+  if (!useGmail && String(selectEmailGenerator.value || '').trim().toLowerCase() === GMAIL_ALIAS_GENERATOR) {
+    selectEmailGenerator.value = 'duck';
+  }
+  const selectedGenerator = getSelectedEmailGenerator();
+  const useGeneratedAlias = usesGeneratedAliasMailProvider(selectMailProvider.value, mail2925Mode, selectedGenerator);
   const useInbucket = selectMailProvider.value === 'inbucket';
   const useHotmail = selectMailProvider.value === 'hotmail-api';
   const useLuckmail = isLuckmailProvider();
   const useCustomEmail = isCustomMailProvider();
   const useIcloudProvider = isIcloudMailProvider();
-  const useEmailGenerator = !useHotmail && !useLuckmail && !useGeneratedAlias && !useCustomEmail;
+  const useEmailGenerator = !useHotmail && !useLuckmail && !useCustomEmail && (!useGeneratedAlias || useGmail);
   const useCloudflareTempEmailProvider = selectMailProvider.value === 'cloudflare-temp-email';
   const aliasUiCopy = useGeneratedAlias
     ? getManagedAliasProviderUiCopy(selectMailProvider.value, mail2925Mode)
@@ -2665,7 +2761,7 @@ function updateMailProviderUI() {
   const hotmailServiceMode = getSelectedHotmailServiceMode();
   rowInbucketHost.style.display = useInbucket ? '' : 'none';
   rowInbucketMailbox.style.display = useInbucket ? '' : 'none';
-  const selectedGenerator = getSelectedEmailGenerator();
+  const useCustomEmailPool = useEmailGenerator && selectedGenerator === CUSTOM_EMAIL_POOL_GENERATOR;
   const useCloudflare = selectedGenerator === 'cloudflare';
   const useIcloud = selectedGenerator === 'icloud';
   const useCloudflareTempEmailGenerator = selectedGenerator === 'cloudflare-temp-email';
@@ -2676,6 +2772,9 @@ function updateMailProviderUI() {
   if (rowEmailGenerator) {
     rowEmailGenerator.style.display = useEmailGenerator ? '' : 'none';
   }
+  if (rowCustomEmailPool) {
+    rowCustomEmailPool.style.display = useCustomEmailPool ? '' : 'none';
+  }
   if (icloudSection) {
     const showIcloudSection = (useEmailGenerator && useIcloud) || useIcloudProvider;
     icloudSection.style.display = showIcloudSection ? '' : 'none';
@@ -2726,7 +2825,7 @@ function updateMailProviderUI() {
   }
   inputEmailPrefix.style.display = '';
   inputEmailPrefix.readOnly = false;
-  selectEmailGenerator.disabled = useHotmail || useLuckmail || useGeneratedAlias || useCustomEmail;
+  selectEmailGenerator.disabled = useHotmail || useLuckmail || useCustomEmail || (useGeneratedAlias && !useGmail);
   if (useGmail) {
     labelEmailPrefix.textContent = 'Gmail 原邮箱';
     inputEmailPrefix.placeholder = '例如 yourname@gmail.com';
@@ -2742,7 +2841,7 @@ function updateMailProviderUI() {
   if (rowHotmailLocalBaseUrl) {
     rowHotmailLocalBaseUrl.style.display = useHotmail && hotmailServiceMode === HOTMAIL_SERVICE_MODE_LOCAL ? '' : 'none';
   }
-  btnFetchEmail.hidden = useHotmail || useLuckmail || useCustomEmail;
+  btnFetchEmail.hidden = useHotmail || useLuckmail || useCustomEmail || useCustomEmailPool;
   inputEmail.readOnly = useHotmail || useLuckmail;
   inputEmail.placeholder = useHotmail
     ? '由 Hotmail 账号池自动分配'
@@ -2755,7 +2854,7 @@ function updateMailProviderUI() {
   if (!useHotmail && !useLuckmail) {
     inputEmail.placeholder = uiCopy.placeholder;
   }
-  btnFetchEmail.disabled = useLuckmail || useCustomEmail || isAutoRunLockedPhase();
+  btnFetchEmail.disabled = useLuckmail || useCustomEmail || useCustomEmailPool || isAutoRunLockedPhase();
   if (!btnFetchEmail.disabled) {
     btnFetchEmail.textContent = uiCopy.buttonLabel;
   }
@@ -2768,20 +2867,25 @@ function updateMailProviderUI() {
         ? '步骤 3 会自动生成邮箱，无需手动获取'
         : (useCustomEmail ? '请先填写自定义注册邮箱，成功一轮后会自动清空' : `先自动获取${uiCopy.label}，或手动粘贴邮箱后再继续`)));
   }
+  if (autoHintText && useCustomEmailPool) {
+    autoHintText.textContent = getCustomEmailPoolSize() > 0
+      ? `当前邮箱池共 ${getCustomEmailPoolSize()} 个邮箱，自动轮数会跟随数量；实际收码仍走当前邮箱服务`
+      : '请先在邮箱池里每行填写一个邮箱，自动轮数会跟随数量';
+  }
   if (autoHintText && useGmail && useGeneratedAlias) {
     autoHintText.textContent = '请先填写 Gmail 原邮箱，步骤 3 会自动生成 Gmail +tag 地址';
   }
   if (autoHintText && useGeneratedAlias && aliasUiCopy?.hint) {
     autoHintText.textContent = aliasUiCopy.hint;
   }
-  if (autoHintText && useMail2925AccountPool) {
+  if (autoHintText && useMail2925AccountPool && !useCustomEmailPool) {
     autoHintText.textContent = getMail2925Accounts().length
       ? (useGeneratedAlias
         ? '当前已启用 2925 号池模式，步骤 3 会基于下拉框选中的号池邮箱生成别名地址'
         : '当前已启用 2925 号池模式，步骤 4 / 8 遇到登录页时会优先使用下拉框选中的账号自动登录')
       : '当前已启用 2925 号池模式，请先在下方 2925 账号池中添加账号并选择邮箱';
   }
-  if (autoHintText && showCloudflareTempEmailReceiveMailbox) {
+  if (autoHintText && showCloudflareTempEmailReceiveMailbox && !useCustomEmailPool) {
     autoHintText.textContent = '若注册邮箱会转发到 Cloudflare Temp Email，请在“邮件接收”中填写实际接收转发邮件的邮箱。';
   }
   if (useHotmail) {
@@ -2789,6 +2893,10 @@ function updateMailProviderUI() {
   } else if (useLuckmail) {
     inputEmail.value = getCurrentLuckmailEmail();
   }
+  if (useCustomEmailPool) {
+    syncRunCountFromCustomEmailPool();
+  }
+  inputRunCount.disabled = currentAutoRun.autoRunning || useCustomEmailPool;
   renderHotmailAccounts();
   if (useMail2925) {
     renderMail2925Accounts();
@@ -3826,7 +3934,22 @@ async function startAutoRunFromCurrentSettings() {
     console.warn('Failed to refresh contribution content hint before auto run:', error);
   }
 
-  const totalRuns = getRunCountValue();
+  if (typeof settingsDirty !== 'undefined' && settingsDirty && typeof saveSettings === 'function') {
+    await saveSettings({ silent: true });
+  }
+
+  const customEmailPoolEnabled = typeof usesCustomEmailPoolGenerator === 'function'
+    && usesCustomEmailPoolGenerator();
+  const customEmailPoolSize = customEmailPoolEnabled && typeof getCustomEmailPoolSize === 'function'
+    ? getCustomEmailPoolSize()
+    : 0;
+  if (customEmailPoolEnabled && customEmailPoolSize <= 0) {
+    throw new Error('请先在邮箱池里至少填写 1 个邮箱。');
+  }
+  const totalRuns = customEmailPoolEnabled ? customEmailPoolSize : getRunCountValue();
+  if (customEmailPoolEnabled) {
+    inputRunCount.value = String(customEmailPoolSize);
+  }
   let mode = 'restart';
   const autoRunSkipFailures = inputAutoSkipFailures.checked;
   const contributionNickname = String(inputContributionNickname?.value || '').trim();
@@ -4282,6 +4405,19 @@ inputEmailPrefix.addEventListener('blur', () => {
   saveSettings({ silent: true }).catch(() => {});
 });
 
+inputCustomEmailPool?.addEventListener('input', () => {
+  syncRunCountFromCustomEmailPool();
+  updateMailProviderUI();
+  markSettingsDirty(true);
+  scheduleSettingsAutoSave();
+});
+inputCustomEmailPool?.addEventListener('blur', () => {
+  inputCustomEmailPool.value = normalizeCustomEmailPoolEntries(inputCustomEmailPool.value).join('\n');
+  syncRunCountFromCustomEmailPool();
+  updateMailProviderUI();
+  saveSettings({ silent: true }).catch(() => {});
+});
+
 selectMail2925PoolAccount?.addEventListener('change', async () => {
   try {
     await syncSelectedMail2925PoolAccount();
@@ -4332,6 +4468,11 @@ inputRunCount.addEventListener('input', () => {
   updateFallbackThreadIntervalInputState();
 });
 inputRunCount.addEventListener('blur', () => {
+  if (usesCustomEmailPoolGenerator()) {
+    syncRunCountFromCustomEmailPool();
+    updateFallbackThreadIntervalInputState();
+    return;
+  }
   inputRunCount.value = String(getRunCountValue());
   updateFallbackThreadIntervalInputState();
 });
diff --git a/tests/background-custom-email-pool.test.js b/tests/background-custom-email-pool.test.js
new file mode 100644
index 0000000..2db42f9
--- /dev/null
+++ b/tests/background-custom-email-pool.test.js
@@ -0,0 +1,104 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('background.js', 'utf8');
+
+function extractFunction(name) {
+  const markers = [`async function ${name}(`, `function ${name}(`];
+  const start = markers
+    .map((marker) => source.indexOf(marker))
+    .find((index) => index >= 0);
+  if (start < 0) {
+    throw new Error(`missing function ${name}`);
+  }
+
+  let parenDepth = 0;
+  let signatureEnded = false;
+  let braceStart = -1;
+  for (let i = start; i < source.length; i += 1) {
+    const ch = source[i];
+    if (ch === '(') {
+      parenDepth += 1;
+    } else if (ch === ')') {
+      parenDepth -= 1;
+      if (parenDepth === 0) {
+        signatureEnded = true;
+      }
+    } else if (ch === '{' && signatureEnded) {
+      braceStart = i;
+      break;
+    }
+  }
+  if (braceStart < 0) {
+    throw new Error(`missing body for function ${name}`);
+  }
+
+  let depth = 0;
+  let end = braceStart;
+  for (; end < source.length; end += 1) {
+    const ch = source[end];
+    if (ch === '{') depth += 1;
+    if (ch === '}') {
+      depth -= 1;
+      if (depth === 0) {
+        end += 1;
+        break;
+      }
+    }
+  }
+
+  return source.slice(start, end);
+}
+
+const bundle = [
+  extractFunction('normalizeEmailGenerator'),
+  extractFunction('normalizeCustomEmailPool'),
+  extractFunction('getCustomEmailPool'),
+  extractFunction('getCustomEmailPoolEmailForRun'),
+  extractFunction('getEmailGeneratorLabel'),
+].join('\n');
+
+function createApi() {
+  return new Function(`
+const CUSTOM_EMAIL_POOL_GENERATOR = 'custom-pool';
+const CLOUDFLARE_TEMP_EMAIL_GENERATOR = 'cloudflare-temp-email';
+
+${bundle}
+
+return {
+  normalizeEmailGenerator,
+  normalizeCustomEmailPool,
+  getCustomEmailPool,
+  getCustomEmailPoolEmailForRun,
+  getEmailGeneratorLabel,
+};
+`)();
+}
+
+test('background recognizes custom email pool generator and label', () => {
+  const api = createApi();
+
+  assert.equal(api.normalizeEmailGenerator('custom-pool'), 'custom-pool');
+  assert.equal(api.getEmailGeneratorLabel('custom-pool'), '自定义邮箱池');
+});
+
+test('background normalizes custom email pool input and keeps order', () => {
+  const api = createApi();
+
+  assert.deepEqual(
+    api.normalizeCustomEmailPool(' Foo@Example.com \ninvalid\nbar@example.com；baz@example.com '),
+    ['foo@example.com', 'bar@example.com', 'baz@example.com']
+  );
+});
+
+test('background selects the matching email for the current auto-run round', () => {
+  const api = createApi();
+  const state = {
+    customEmailPool: ['first@example.com', 'second@example.com', 'third@example.com'],
+  };
+
+  assert.equal(api.getCustomEmailPoolEmailForRun(state, 1), 'first@example.com');
+  assert.equal(api.getCustomEmailPoolEmailForRun(state, 2), 'second@example.com');
+  assert.equal(api.getCustomEmailPoolEmailForRun(state, 4), '');
+});
diff --git a/tests/background-generated-email-module.test.js b/tests/background-generated-email-module.test.js
index fb5d764..d0fe20a 100644
--- a/tests/background-generated-email-module.test.js
+++ b/tests/background-generated-email-module.test.js
@@ -76,3 +76,63 @@ test('generated email helper falls back to normal generator when 2925 is in rece
     ['email', 'duck@example.com'],
   ]);
 });
+
+test('generated email helper can read the requested address from custom email pool', async () => {
+  const source = fs.readFileSync('background/generated-email-helpers.js', 'utf8');
+  const globalScope = {};
+  const api = new Function('self', `${source}; return self.MultiPageGeneratedEmailHelpers;`)(globalScope);
+  const events = [];
+
+  const helpers = api.createGeneratedEmailHelpers({
+    addLog: async () => {},
+    buildGeneratedAliasEmail: () => {
+      throw new Error('should not build alias');
+    },
+    buildCloudflareTempEmailHeaders: () => ({}),
+    CLOUDFLARE_TEMP_EMAIL_GENERATOR: 'cloudflare-temp-email',
+    CUSTOM_EMAIL_POOL_GENERATOR: 'custom-pool',
+    DUCK_AUTOFILL_URL: 'https://duckduckgo.com/email',
+    fetch: async () => ({ ok: true, text: async () => '{}' }),
+    fetchIcloudHideMyEmail: async () => {
+      throw new Error('should not use icloud generator');
+    },
+    getCloudflareTempEmailAddressFromResponse: () => '',
+    getCloudflareTempEmailConfig: () => ({ baseUrl: '', adminAuth: '', domain: '' }),
+    getCustomEmailPoolEmail: (state, targetRun) => state.customEmailPool?.[targetRun - 1] || '',
+    getState: async () => ({
+      customEmailPool: ['first@example.com', 'second@example.com'],
+      emailGenerator: 'custom-pool',
+      mailProvider: 'gmail',
+    }),
+    ensureMail2925AccountForFlow: async () => {
+      throw new Error('should not allocate 2925 account');
+    },
+    joinCloudflareTempEmailUrl: () => '',
+    normalizeCloudflareDomain: () => '',
+    normalizeCloudflareTempEmailAddress: () => '',
+    normalizeEmailGenerator: (value) => String(value || '').trim().toLowerCase(),
+    isGeneratedAliasProvider: () => false,
+    reuseOrCreateTab: async () => {},
+    sendToContentScript: async () => {
+      throw new Error('should not open duck tab');
+    },
+    setEmailState: async (email) => {
+      events.push(['email', email]);
+    },
+    throwIfStopped: () => {},
+  });
+
+  const email = await helpers.fetchGeneratedEmail({
+    customEmailPool: ['first@example.com', 'second@example.com'],
+    emailGenerator: 'custom-pool',
+    mailProvider: 'gmail',
+  }, {
+    generator: 'custom-pool',
+    poolIndex: 1,
+  });
+
+  assert.equal(email, 'second@example.com');
+  assert.deepStrictEqual(events, [
+    ['email', 'second@example.com'],
+  ]);
+});
diff --git a/tests/sidepanel-custom-email-pool.test.js b/tests/sidepanel-custom-email-pool.test.js
new file mode 100644
index 0000000..3449e5d
--- /dev/null
+++ b/tests/sidepanel-custom-email-pool.test.js
@@ -0,0 +1,115 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('sidepanel/sidepanel.js', 'utf8');
+
+function extractFunction(name) {
+  const markers = [`async function ${name}(`, `function ${name}(`];
+  const start = markers
+    .map((marker) => source.indexOf(marker))
+    .find((index) => index >= 0);
+  if (start < 0) {
+    throw new Error(`missing function ${name}`);
+  }
+
+  let parenDepth = 0;
+  let signatureEnded = false;
+  let braceStart = -1;
+  for (let i = start; i < source.length; i += 1) {
+    const ch = source[i];
+    if (ch === '(') {
+      parenDepth += 1;
+    } else if (ch === ')') {
+      parenDepth -= 1;
+      if (parenDepth === 0) {
+        signatureEnded = true;
+      }
+    } else if (ch === '{' && signatureEnded) {
+      braceStart = i;
+      break;
+    }
+  }
+  if (braceStart < 0) {
+    throw new Error(`missing body for function ${name}`);
+  }
+
+  let depth = 0;
+  let end = braceStart;
+  for (; end < source.length; end += 1) {
+    const ch = source[end];
+    if (ch === '{') depth += 1;
+    if (ch === '}') {
+      depth -= 1;
+      if (depth === 0) {
+        end += 1;
+        break;
+      }
+    }
+  }
+
+  return source.slice(start, end);
+}
+
+test('sidepanel html exposes custom email pool generator option and input row', () => {
+  const html = fs.readFileSync('sidepanel/sidepanel.html', 'utf8');
+
+  assert.match(html, /option value="custom-pool">自定义邮箱池<\/option>/);
+  assert.match(html, /id="row-custom-email-pool"/);
+  assert.match(html, /id="input-custom-email-pool"/);
+});
+
+test('sidepanel locks run count to custom email pool size', () => {
+  const bundle = [
+    extractFunction('isCustomMailProvider'),
+    extractFunction('normalizeCustomEmailPoolEntries'),
+    extractFunction('getSelectedEmailGenerator'),
+    extractFunction('usesGeneratedAliasMailProvider'),
+    extractFunction('usesCustomEmailPoolGenerator'),
+    extractFunction('getCustomEmailPoolSize'),
+    extractFunction('getRunCountValue'),
+  ].join('\n');
+
+  const api = new Function(`
+const GMAIL_PROVIDER = 'gmail';
+const GMAIL_ALIAS_GENERATOR = 'gmail-alias';
+const CUSTOM_EMAIL_POOL_GENERATOR = 'custom-pool';
+const selectMailProvider = { value: 'gmail' };
+const selectEmailGenerator = { value: 'custom-pool' };
+const inputCustomEmailPool = { value: 'first@example.com\\nsecond@example.com' };
+const inputRunCount = { value: '99' };
+
+function isLuckmailProvider() {
+  return false;
+}
+
+function isManagedAliasProvider() {
+  return false;
+}
+
+function getSelectedMail2925Mode() {
+  return 'provide';
+}
+
+function isManagedAliasProvider(provider) {
+  return String(provider || '').trim().toLowerCase() === GMAIL_PROVIDER;
+}
+
+${bundle}
+
+return {
+  getSelectedEmailGenerator,
+  usesGeneratedAliasMailProvider,
+  usesCustomEmailPoolGenerator,
+  getCustomEmailPoolSize,
+  getRunCountValue,
+};
+`)();
+
+  assert.equal(api.getSelectedEmailGenerator(), 'custom-pool');
+  assert.equal(api.usesGeneratedAliasMailProvider('gmail', 'provide', 'gmail-alias'), true);
+  assert.equal(api.usesGeneratedAliasMailProvider('gmail', 'provide', 'custom-pool'), false);
+  assert.equal(api.usesCustomEmailPoolGenerator(), true);
+  assert.equal(api.getCustomEmailPoolSize(), 2);
+  assert.equal(api.getRunCountValue(), 2);
+});