diff --git a/packages/connector-aliyun-dm/src/index.ts b/packages/connector-aliyun-dm/src/index.ts
index 87a7a221a..62fc944b3 100644
--- a/packages/connector-aliyun-dm/src/index.ts
+++ b/packages/connector-aliyun-dm/src/index.ts
@@ -32,10 +32,12 @@ export default class AliyunDmConnector implements EmailConnector {
     }
   };
 
-  public sendMessage: EmailSendMessageFunction = async (address, type, data) => {
-    const config = await this.getConfig(this.metadata.id);
-    await this.validateConfig(config);
-    const { accessKeyId, accessKeySecret, accountName, fromAlias, templates } = config;
+  // eslint-disable-next-line complexity
+  public sendMessage: EmailSendMessageFunction = async (address, type, data, config) => {
+    const emailConfig =
+      (config as AliyunDmConfig | undefined) ?? (await this.getConfig(this.metadata.id));
+    await this.validateConfig(emailConfig);
+    const { accessKeyId, accessKeySecret, accountName, fromAlias, templates } = emailConfig;
     const template = templates.find((template) => template.usageType === type);
 
     assert(
diff --git a/packages/connector-aliyun-sms/src/index.ts b/packages/connector-aliyun-sms/src/index.ts
index f0bdd32e6..9cfbae81a 100644
--- a/packages/connector-aliyun-sms/src/index.ts
+++ b/packages/connector-aliyun-sms/src/index.ts
@@ -26,10 +26,11 @@ export default class AliyunSmsConnector implements SmsConnector {
     }
   };
 
-  public sendMessage: SmsSendMessageFunction = async (phone, type, { code }) => {
-    const config = await this.getConfig(this.metadata.id);
-    await this.validateConfig(config);
-    const { accessKeyId, accessKeySecret, signName, templates } = config;
+  public sendMessage: SmsSendMessageFunction = async (phone, type, { code }, config) => {
+    const smsConfig =
+      (config as AliyunSmsConfig | undefined) ?? (await this.getConfig(this.metadata.id));
+    await this.validateConfig(smsConfig);
+    const { accessKeyId, accessKeySecret, signName, templates } = smsConfig;
     const template = templates.find(({ usageType }) => usageType === type);
 
     assert(
diff --git a/packages/connector-types/src/index.ts b/packages/connector-types/src/index.ts
index 8d7b3c190..538220da3 100644
--- a/packages/connector-types/src/index.ts
+++ b/packages/connector-types/src/index.ts
@@ -64,13 +64,15 @@ export type SmsMessageTypes = EmailMessageTypes;
 export type EmailSendMessageFunction<T = unknown> = (
   address: string,
   type: keyof EmailMessageTypes,
-  payload: EmailMessageTypes[typeof type]
+  payload: EmailMessageTypes[typeof type],
+  config?: Record<string, unknown>
 ) => Promise<T>;
 
 export type SmsSendMessageFunction<T = unknown> = (
   phone: string,
   type: keyof SmsMessageTypes,
-  payload: SmsMessageTypes[typeof type]
+  payload: SmsMessageTypes[typeof type],
+  config?: Record<string, unknown>
 ) => Promise<T>;
 
 export interface BaseConnector {
diff --git a/packages/console/src/pages/ConnectorDetails/components/SenderTester/index.tsx b/packages/console/src/pages/ConnectorDetails/components/SenderTester/index.tsx
index 1a997dd71..dd29ae73e 100644
--- a/packages/console/src/pages/ConnectorDetails/components/SenderTester/index.tsx
+++ b/packages/console/src/pages/ConnectorDetails/components/SenderTester/index.tsx
@@ -1,7 +1,6 @@
 import { ConnectorType } from '@logto/schemas';
 import { phoneRegEx, emailRegEx } from '@logto/shared';
 import classNames from 'classnames';
-import ky from 'ky';
 import React, { useEffect, useRef, useState } from 'react';
 import { useForm } from 'react-hook-form';
 import { useTranslation } from 'react-i18next';
@@ -10,18 +9,21 @@ import Button from '@/components/Button';
 import FormField from '@/components/FormField';
 import TextInput from '@/components/TextInput';
 import Tooltip from '@/components/Tooltip';
+import useApi from '@/hooks/use-api';
 
 import * as styles from './index.module.scss';
 
 type Props = {
   connectorType: Exclude<ConnectorType, ConnectorType.Social>;
+  config?: string;
+  className?: string;
 };
 
 type FormData = {
   sendTo: string;
 };
 
-const SenderTester = ({ connectorType }: Props) => {
+const SenderTester = ({ connectorType, config, className }: Props) => {
   const buttonPosReference = useRef(null);
   const [showTooltip, setShowTooltip] = useState(false);
   const [isSubmitting, seIsSubmitting] = useState(false);
@@ -33,6 +35,7 @@ const SenderTester = ({ connectorType }: Props) => {
     },
   } = useForm<FormData>();
   const { t } = useTranslation(undefined, { keyPrefix: 'admin_console' });
+  const api = useApi();
   const isSms = connectorType === ConnectorType.SMS;
 
   useEffect(() => {
@@ -52,12 +55,13 @@ const SenderTester = ({ connectorType }: Props) => {
 
   const onSubmit = handleSubmit(async (formData) => {
     const { sendTo } = formData;
+    const configJson = config ? (JSON.parse(config) as JSON) : undefined;
     seIsSubmitting(true);
 
-    const data = isSms ? { phone: sendTo } : { email: sendTo };
+    const data = { config: configJson, ...(isSms ? { phone: sendTo } : { email: sendTo }) };
 
     try {
-      await ky
+      await api
         .post(`/api/connectors/test/${connectorType.toLowerCase()}`, {
           json: data,
         })
@@ -70,7 +74,7 @@ const SenderTester = ({ connectorType }: Props) => {
   });
 
   return (
-    <form onSubmit={onSubmit}>
+    <form className={className}>
       <div className={styles.fields}>
         <FormField
           isRequired
@@ -95,10 +99,10 @@ const SenderTester = ({ connectorType }: Props) => {
         </FormField>
         <div ref={buttonPosReference} className={styles.send}>
           <Button
-            htmlType="submit"
             isLoading={isSubmitting}
             title="admin_console.connector_details.send"
             type="outline"
+            onClick={onSubmit}
           />
         </div>
         {showTooltip && (
diff --git a/packages/console/src/pages/ConnectorDetails/index.module.scss b/packages/console/src/pages/ConnectorDetails/index.module.scss
index 1c7575ea2..8cadc188d 100644
--- a/packages/console/src/pages/ConnectorDetails/index.module.scss
+++ b/packages/console/src/pages/ConnectorDetails/index.module.scss
@@ -93,3 +93,7 @@
 .resetIcon {
   color: var(--color-icon);
 }
+
+.readme {
+  margin-top: _.unit(-6);
+}
diff --git a/packages/console/src/pages/ConnectorDetails/index.tsx b/packages/console/src/pages/ConnectorDetails/index.tsx
index aa8a7dfbf..b4dad0b62 100644
--- a/packages/console/src/pages/ConnectorDetails/index.tsx
+++ b/packages/console/src/pages/ConnectorDetails/index.tsx
@@ -210,7 +210,9 @@ const ConnectorDetails = () => {
                 }}
               />
             </FormField>
-            {data.type !== ConnectorType.Social && <SenderTester connectorType={data.type} />}
+            {data.type !== ConnectorType.Social && (
+              <SenderTester connectorType={data.type} config={config} />
+            )}
             {saveError && <div>{saveError}</div>}
           </div>
           <div className={detailsStyles.footer}>
diff --git a/packages/core/src/routes/connector.test.ts b/packages/core/src/routes/connector.test.ts
index c75e5cb6c..c96e343f6 100644
--- a/packages/core/src/routes/connector.test.ts
+++ b/packages/core/src/routes/connector.test.ts
@@ -123,11 +123,16 @@ describe('connector route', () => {
       const sendMessageSpy = jest.spyOn(mockedEmailConnector, 'sendMessage');
       const response = await connectorRequest
         .post('/connectors/test/email')
-        .send({ email: 'test@email.com' });
+        .send({ email: 'test@email.com', config: { test: 123 } });
       expect(sendMessageSpy).toHaveBeenCalledTimes(1);
-      expect(sendMessageSpy).toHaveBeenCalledWith('test@email.com', 'Test', {
-        code: 'email-test',
-      });
+      expect(sendMessageSpy).toHaveBeenCalledWith(
+        'test@email.com',
+        'Test',
+        {
+          code: 'email-test',
+        },
+        { test: 123 }
+      );
       expect(response).toHaveProperty('statusCode', 204);
     });
 
@@ -166,11 +171,16 @@ describe('connector route', () => {
       const sendMessageSpy = jest.spyOn(mockedSmsConnectorInstance, 'sendMessage');
       const response = await connectorRequest
         .post('/connectors/test/sms')
-        .send({ phone: '12345678901' });
+        .send({ phone: '12345678901', config: { test: 123 } });
       expect(sendMessageSpy).toHaveBeenCalledTimes(1);
-      expect(sendMessageSpy).toHaveBeenCalledWith('12345678901', 'Test', {
-        code: '123456',
-      });
+      expect(sendMessageSpy).toHaveBeenCalledWith(
+        '12345678901',
+        'Test',
+        {
+          code: '123456',
+        },
+        { test: 123 }
+      );
       expect(response).toHaveProperty('statusCode', 204);
     });
 
diff --git a/packages/core/src/routes/connector.ts b/packages/core/src/routes/connector.ts
index ebaf15ac7..46ac14043 100644
--- a/packages/core/src/routes/connector.ts
+++ b/packages/core/src/routes/connector.ts
@@ -1,4 +1,4 @@
-import { ConnectorDTO, Connectors, ConnectorType } from '@logto/schemas';
+import { arbitraryObjectGuard, ConnectorDTO, Connectors, ConnectorType } from '@logto/schemas';
 import { emailRegEx, phoneRegEx } from '@logto/shared';
 import { object, string } from 'zod';
 
@@ -153,15 +153,16 @@ export default function connectorRoutes<T extends AuthedRouter>(router: T) {
     koaGuard({
       body: object({
         email: string().regex(emailRegEx),
+        config: arbitraryObjectGuard.optional(),
       }),
     }),
     async (ctx, next) => {
-      const { email } = ctx.guard.body;
+      const { email, config } = ctx.guard.body;
 
       const connectorInstances = await getConnectorInstances();
       const connector = connectorInstances.find(
         (connector): connector is EmailConnectorInstance =>
-          connector.connector.enabled && connector.metadata.type === ConnectorType.Email
+          connector.metadata.type === ConnectorType.Email
       );
 
       assertThat(
@@ -169,9 +170,18 @@ export default function connectorRoutes<T extends AuthedRouter>(router: T) {
         new RequestError({ code: 'connector.not_found', type: ConnectorType.Email })
       );
 
-      await connector.sendMessage(email, 'Test', {
-        code: 'email-test',
-      });
+      if (config) {
+        await connector.validateConfig(config);
+      }
+
+      await connector.sendMessage(
+        email,
+        'Test',
+        {
+          code: 'email-test',
+        },
+        config
+      );
 
       ctx.status = 204;
 
@@ -184,15 +194,16 @@ export default function connectorRoutes<T extends AuthedRouter>(router: T) {
     koaGuard({
       body: object({
         phone: string().regex(phoneRegEx),
+        config: arbitraryObjectGuard.optional(),
       }),
     }),
     async (ctx, next) => {
-      const { phone } = ctx.guard.body;
+      const { phone, config } = ctx.guard.body;
 
       const connectorInstances = await getConnectorInstances();
       const connector = connectorInstances.find(
         (connector): connector is SmsConnectorInstance =>
-          connector.connector.enabled && connector.metadata.type === ConnectorType.SMS
+          connector.metadata.type === ConnectorType.SMS
       );
 
       assertThat(
@@ -200,9 +211,14 @@ export default function connectorRoutes<T extends AuthedRouter>(router: T) {
         new RequestError({ code: 'connector.not_found', type: ConnectorType.SMS })
       );
 
-      await connector.sendMessage(phone, 'Test', {
-        code: '123456',
-      });
+      await connector.sendMessage(
+        phone,
+        'Test',
+        {
+          code: '123456',
+        },
+        config
+      );
 
       ctx.status = 204;