diff --git a/.github/workflows/build_wheel.yml b/.github/workflows/build_wheel.yml
index 1edf42589..5467a7cc9 100644
--- a/.github/workflows/build_wheel.yml
+++ b/.github/workflows/build_wheel.yml
@@ -1,9 +1,6 @@
 name: Build wheel and release into PYPI
 
-on:
-  release:
-    types: [published]
-    
+on: 
   push:
     branches:
       - dev_off
diff --git a/.github/workflows/build_wheels_on_release.yml b/.github/workflows/build_wheels_on_release.yml
new file mode 100644
index 000000000..fd62c80c2
--- /dev/null
+++ b/.github/workflows/build_wheels_on_release.yml
@@ -0,0 +1,50 @@
+name: Build wheel and release into PYPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch: {}
+
+jobs:
+
+  build_wheels:
+    if: github.repository_owner == 'mlcommons'
+    name: Build wheel
+    runs-on: ubuntu-latest
+    environment: release
+
+    permissions:
+      id-token: write
+      contents: write
+
+    strategy:
+      fail-fast: false
+    steps:
+      # Step : Checkout the code
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+          ssh-key: ${{ secrets.DEPLOY_KEY }}
+          ref: ${{ github.ref_name }}
+
+      # Step : Set up Python
+      - uses: actions/setup-python@v3
+
+      # Step : Install required dependencies
+      - name: Install requirements
+        run: python3 -m pip install setuptools wheel build
+
+      # Step : Build the Python wheel
+      - name: Build wheels
+        working-directory: ./
+        run: python3 -m build && rm dist/*.whl
+
+      # Step : Publish to PyPI
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          verify-metadata: true
+          skip-existing: true
+          packages-dir: dist
+          repository-url: https://upload.pypi.org/legacy/
+          verbose: true
diff --git a/VERSION b/VERSION
index 3eefcb9dd..7dea76edb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.0
+1.0.1
diff --git a/script/get-generic-sys-util/meta.yaml b/script/get-generic-sys-util/meta.yaml
index bd4006e72..8f75171de 100644
--- a/script/get-generic-sys-util/meta.yaml
+++ b/script/get-generic-sys-util/meta.yaml
@@ -602,6 +602,14 @@ variations:
         brew: pkg-config
         dnf: pkg-config
         yum: pkg-config
+  postfix:
+    env:
+      MLC_SYS_UTIL_NAME: postfix
+    new_env_keys:
+    - MLC_POSTFIX_VERSION
+    state:
+      postfix:
+        apt: postfix
   psmisc:
     env:
       MLC_SYS_UTIL_NAME: psmisc
diff --git a/script/send-mail/customize.py b/script/send-mail/customize.py
new file mode 100644
index 000000000..d561f8466
--- /dev/null
+++ b/script/send-mail/customize.py
@@ -0,0 +1,47 @@
+from mlc import utils
+import os
+import subprocess
+
+
+def preprocess(i):
+
+    env = i['env']
+    state = i['state']
+
+    os_info = i['os_info']
+
+    # Start constructing the argument string
+    args = f"--subject '{env.get('MLC_EMAIL_SUBJECT', '')}' "
+
+    # Process other arguments
+    args += f"--to_addresses '{env.get('MLC_EMAIL_TO_ADDRESSES', '')}' "
+    args += f"--cc_addresses '{env.get('MLC_EMAIL_CC_ADDRESSES', '')}' "
+    args += f"--bcc_addresses '{env.get('MLC_EMAIL_BCC_ADDRESSES', '')}' "
+    args += f"--content_file '{env.get('MLC_EMAIL_CONTENT_FILE', '')}' "
+
+    # Process attachments
+    args += f"--attachments '{env.get('MLC_EMAIL_ATTACHMENTS', '')}'"
+
+    # Add flags for SMTP server, email and password if needed
+    if env.get('MLC_EMAIL_USE_SMTP_SERVER'):
+        args += "--use_smtp_server "
+        args += f"--email '{env.get('MLC_EMAIL_SMPT_EMAIL', '')}' "
+        args += f"--password '{env.get('MLC_EMAIL_SMTP_PASSWORD', '')}' "
+        args += f"--smtp_server '{env.get('MLC_EMAIL_SMTP_SERVER', '')}' "
+
+    subject = env.get('MLC_EMAIL_SUBJECT', '')
+    to_address = ",".join(env.get('MLC_EMAIL_TO_ADDRESS', []))
+
+    env['MLC_RUN_CMD'] = f"""{env['MLC_PYTHON_BIN_WITH_PATH']} {os.path.join(env['MLC_TMP_CURRENT_SCRIPT_PATH'], 'send-email.py')} {args}"""
+
+    return {'return': 0}
+
+
+def postprocess(i):
+
+    env = i['env']
+    state = i['state']
+
+    os_info = i['os_info']
+
+    return {'return': 0}
diff --git a/script/send-mail/meta.yaml b/script/send-mail/meta.yaml
new file mode 100644
index 000000000..90abe9d63
--- /dev/null
+++ b/script/send-mail/meta.yaml
@@ -0,0 +1,30 @@
+alias: send-mail
+automation_alias: script
+automation_uid: 5b4e0237da074764
+category: Utils
+deps:
+  - tags: detect,os
+  - tags: get,python
+    names:
+      - python
+      - python3
+  - tags: get,generic-sys-util,_postfix
+    enable_if_env:
+      MLC_HOST_OS_FLAVOR:
+      - ubuntu
+new_env_keys: []
+new_state_keys: []
+post_deps: []
+posthook_deps: []
+prehook_deps: []
+input_mapping:
+  subject: MLC_EMAIL_SUBJECT
+  to_addresses: MLC_EMAIL_TO_ADDRESSES
+  to_address: MLC_EMAIL_TO_ADDRESSES
+  attachments: MLC_EMAIL_ATTACHMENTS
+  attachment: MLC_EMAIL_ATTACHMENTS
+tags:
+- send
+- mail
+- email
+uid: 5f9b9654ecbe4662
diff --git a/script/send-mail/run.bat b/script/send-mail/run.bat
new file mode 100644
index 000000000..80625c80e
--- /dev/null
+++ b/script/send-mail/run.bat
@@ -0,0 +1,23 @@
+@echo off
+setlocal enabledelayedexpansion
+
+:: Function to exit if the last command failed
+:exit_if_error
+if %ERRORLEVEL% NEQ 0 exit /b %ERRORLEVEL%
+exit /b 0
+
+:: Function to run a command
+:run
+echo Running:
+echo %1
+echo.
+
+if /I "%MLC_FAKE_RUN%" NEQ "yes" (
+    call %1
+    call :exit_if_error
+)
+exit /b 0
+
+:: Add your run commands here...
+:: call :run "%MLC_RUN_CMD%"
+
diff --git a/script/send-mail/run.sh b/script/send-mail/run.sh
new file mode 100644
index 000000000..99e53cc91
--- /dev/null
+++ b/script/send-mail/run.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+function exit_if_error() {
+  test $? -eq 0 || exit $?
+}
+
+function run() {
+  echo "Running: "
+  echo "$1"
+  echo ""
+  if [[ ${MLC_FAKE_RUN} != 'yes' ]]; then
+    eval "$1"
+    exit_if_error
+  fi
+}
+
+#Add your run commands here...
+
+run "$MLC_RUN_CMD"
diff --git a/script/send-mail/send-email.py b/script/send-mail/send-email.py
new file mode 100644
index 000000000..0bb25f7e2
--- /dev/null
+++ b/script/send-mail/send-email.py
@@ -0,0 +1,131 @@
+import smtplib
+import sys
+import argparse
+from email.mime.multipart import MIMEMultipart
+from email.mime.base import MIMEBase
+from email.mime.text import MIMEText
+from email.utils import COMMASPACE
+from email import encoders
+
+
+def send_email(subject, to_addresses, cc_addresses, bcc_addresses, content_file,
+               attachments, use_smtp_server=False, smtp_server=None, email=None, password=None):
+
+    to_list = to_addresses.split(',')
+    cc_list = cc_addresses.split(',')
+    bcc_list = bcc_addresses.split(',')
+    attachment_list = attachments.split(',')
+
+    if content_file and os.path.exists(content_file):
+        with open(content_file, 'r') as file:
+            email_content = file.read()
+    else:
+        email_content = ''
+
+    msg = MIMEMultipart()
+    msg['From'] = email if use_smtp_server else 'localhost'
+    msg['To'] = COMMASPACE.join(to_list)
+    msg['Cc'] = COMMASPACE.join(cc_list)
+    msg['Subject'] = subject
+
+    msg.attach(MIMEText(email_content, 'plain'))
+
+    for attachment in attachment_list:
+        if attachment.strip() == '':
+            continue
+
+        with open(attachment, 'rb') as file:
+            part = MIMEBase('application', 'octet-stream')
+            part.set_payload(file.read())
+            encoders.encode_base64(part)
+            part.add_header(
+                'Content-Disposition',
+                f'attachment; filename={attachment}')
+            msg.attach(part)
+
+    recipients = to_list + cc_list + bcc_list
+
+    if use_smtp_server:
+        with smtplib.SMTP_SSL(smtp_server) as server:
+            server.login(email, password)
+            server.sendmail(email, recipients, msg.as_string())
+            print("Email sent successfully using SMTP server!")
+    else:
+        with smtplib.SMTP('localhost') as server:
+            server.sendmail(
+                'localhost@example.com',
+                recipients,
+                msg.as_string())
+            print("Email sent successfully using localhost!")
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description='Send an email with specified attachments')
+    parser.add_argument('--subject', type=str, help='Email subject')
+    parser.add_argument(
+        '--to_addresses',
+        type=str,
+        help='To addresses, comma-separated')
+    parser.add_argument(
+        '--cc_addresses',
+        type=str,
+        nargs='?',
+        default='',
+        help='CC addresses, comma-separated')
+    parser.add_argument(
+        '--bcc_addresses',
+        type=str,
+        nargs='?',
+        default='',
+        help='BCC addresses, comma-separated')
+    parser.add_argument(
+        '--content_file',
+        type=str,
+        nargs='?',
+        default='',
+        help='File containing email content')
+    parser.add_argument(
+        '--attachments',
+        type=str,
+        nargs='?',
+        default='',
+
+        help='Attachments, comma-separated file paths')
+
+    parser.add_argument(
+        '--use_smtp_server',
+        action='store_true',
+        help='Use an SMTP server instead of localhost')
+    parser.add_argument(
+        '--email',
+        type=str,
+        default='',
+        nargs='?',
+        help='Email address for SMTP server')
+    parser.add_argument(
+        '--password',
+        type=str,
+        default='',
+        nargs='?',
+        help='Password for SMTP server')
+    parser.add_argument('--smtp_server', type=str, help='SMTP server address')
+
+    args = parser.parse_args()
+
+    if args.use_smtp_server and not all(
+            [args.email, args.password, args.smtp_server]):
+        parser.error(
+            '--email, --password, and --smtp_server are required when --use_smtp_server is set')
+
+    send_email(
+        args.subject,
+        args.to_addresses,
+        args.cc_addresses,
+        args.bcc_addresses,
+        args.content_file,
+        args.attachments,
+        args.use_smtp_server,
+        args.smtp_server,
+        args.email,
+        args.password)