Create bulk_email.py

The Bulk Email Sender — Pro+ Edition is a modern, Python-based web application built with Streamlit that allows individuals and businesses to send personalized bulk emails quickly, securely, and efficiently. The application is designed for users who need to manage email campaigns, notifications, or bulk communication without using expensive third-party services.

Unlike generic mass-mailing tools, this application supports personalization, attachments, manual email entries, and live progress monitoring, making it ideal for small businesses, freelancers, or teams who want a simple yet professional emailing solution.

Author: omkshirsagar442

Python/Bulk Email Sender/bulk_email.py

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+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from email.mime.base import MIMEBase
+from email import encoders
+import pandas as pd
+import streamlit as st
+import time
+import os
+
+# ---------------- Streamlit Page Config ----------------
+st.set_page_config(page_title="📧 Bulk Email Pro+ Dashboard", page_icon="📨", layout="centered")
+st.title("📨 Bulk Email Sender — Pro+ Edition")
+st.caption("Send personalized bulk emails with live logs, attachments, and custom names")
+
+st.markdown("---")
+
+# ---------------- Email Login Section ----------------
+with st.expander("🔑 Gmail Login Details"):
+    sender_name = st.text_input("Sender Name (appears in inbox)", placeholder="Your Name")
+    sender_email = st.text_input("Your Gmail Address", placeholder="youremail@gmail.com")
+    sender_password = st.text_input("App Password", type="password", placeholder="16-character Gmail App Password")
+
+# ---------------- CSV Upload ----------------
+uploaded_file = st.file_uploader("📂 Upload CSV (columns: Name, Email)", type=["csv"])
+
+st.markdown("""
+**Example CSV format:**
+| Name | Email |
+|------|--------------------|
+| Rahul Pandey | rahul@example.com |
+| Riya Sharma | riya@example.com |
+""")
+
+# ---------------- Manual Email Entry ----------------
+with st.expander("✏️ Add Optional Emails Manually"):
+    manual_emails = st.text_area(
+        "Enter additional emails manually (format: Name:Email, separated by commas)",
+        placeholder="Rahul Pandey:rahul@gmail.com, Riya Sharma:riya@gmail.com"
+    )
+
+# ---------------- Email Content ----------------
+subject = st.text_input("✉️ Email Subject", placeholder="Hello {Name}, here’s your update!")
+message_template = st.text_area(
+    "📝 Email Body (you can use placeholders like {Name})",
+    height=150,
+    placeholder="Dear {Name},\n\nHope you're doing well!\n\nBest regards,\nYour Name"
+)
+
+# ---------------- File Attachment ----------------
+attachment = st.file_uploader("📎 Optional: Attach a file (PDF, Image, or DOCX)", type=["pdf", "jpg", "jpeg", "png", "docx"])
+
+# ---------------- Email Preview ----------------
+if st.button("👁️ Preview Email"):
+    if uploaded_file:
+        df_preview = pd.read_csv(uploaded_file)
+        if "Name" in df_preview.columns and len(df_preview) > 0:
+            name_sample = df_preview["Name"][0]
+            st.markdown("### 🧾 Preview for first recipient:")
+            st.info(f"**Subject:** {subject.format(Name=name_sample)}\n\n{message_template.format(Name=name_sample)}")
+        else:
+            st.warning("CSV must have a 'Name' column with at least one entry.")
+    else:
+        st.warning("Please upload a CSV first.")
+
+# ---------------- Send Button ----------------
+if st.button("🚀 Send Emails"):
+    if not sender_email or not sender_password:
+        st.error("Please enter your Gmail and App Password.")
+    elif uploaded_file is None and not manual_emails:
+        st.error("Please upload a CSV file or enter emails manually.")
+    else:
+        try:
+            recipients = []
+
+            # Load from CSV if available
+            if uploaded_file is not None:
+                df = pd.read_csv(uploaded_file)
+                if "Email" not in df.columns or "Name" not in df.columns:
+                    st.error("CSV must contain columns 'Name' and 'Email'.")
+                    st.stop()
+                for _, row in df.iterrows():
+                    recipients.append({"Name": row["Name"], "Email": row["Email"]})
+
+            # Add manual emails (support Name:Email or just Email)
+            if manual_emails:
+                for entry in [e.strip() for e in manual_emails.split(",") if e.strip()]:
+                    if ":" in entry:
+                        name, email = entry.split(":", 1)
+                        recipients.append({"Name": name.strip(), "Email": email.strip()})
+                    else:
+                        recipients.append({"Name": "Friend", "Email": entry.strip()})
+
+            # Connect to Gmail
+            server = smtplib.SMTP("smtp.gmail.com", 587)
+            server.starttls()
+            server.login(sender_email, sender_password)
+            st.success("✅ Logged in successfully!")
+
+            # UI Setup: progress bar + live logs
+            progress = st.progress(0)
+            status = st.empty()
+            log_box = st.container()
+            total = len(recipients)
+            success_count = 0
+
+            # ---------------- Sending Loop ----------------
+            for i, recipient in enumerate(recipients):
+                recipient_email = recipient["Email"]
+                recipient_name = recipient["Name"]
+
+                msg = MIMEMultipart()
+                msg["From"] = f"{sender_name} <{sender_email}>"
+                msg["To"] = recipient_email
+                msg["Subject"] = subject.format(Name=recipient_name)
+
+                # Message body
+                body = message_template.format(Name=recipient_name)
+                msg.attach(MIMEText(body, "plain"))
+
+                # Add attachment if uploaded
+                if attachment is not None:
+                    part = MIMEBase("application", "octet-stream")
+                    part.set_payload(attachment.getvalue())
+                    encoders.encode_base64(part)
+                    part.add_header(
+                        "Content-Disposition",
+                        f"attachment; filename={attachment.name}"
+                    )
+                    msg.attach(part)
+
+                # Send email and log live
+                try:
+                    server.send_message(msg)
+                    success_count += 1
+                    with log_box:
+                        st.markdown(f"✅ **Sent to {recipient_name}** ({recipient_email})")
+                except Exception as e:
+                    with log_box:
+                        st.markdown(f"⚠️ **Failed to send to {recipient_email}:** {e}")
+
+                # Update progress bar
+                progress.progress((i + 1) / total)
+                status.text(f"📨 Sending email {i+1}/{total}...")
+
+                time.sleep(0.5)
+
+            server.quit()
+            st.success(f"✅ Successfully sent {success_count}/{total} emails!")
+            st.balloons()
+
+        except Exception as e:
+            st.error(f"❌ Error: {e}")