Create SendMailsFromCSV.py

SendMailsFromCSV.py

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+import pandas as pd
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+import getpass
+from tkinter import Tk
+from tkinter.filedialog import askopenfilename
+
+# Open file 
+Tk().withdraw() 
+file_path = askopenfilename(
+    title="Select CSV or XLSX file",
+    filetypes=[("CSV files", "*.csv"), ("Excel files", "*.xlsx"), ("All files", "*.*")]
+)
+if not file_path:
+    raise ValueError("No file selected. Exiting.")
+
+
+if file_path.lower().endswith('.csv'):
+    df = pd.read_csv(file_path)
+elif file_path.lower().endswith(('.xlsx', '.xls')):
+    df = pd.read_excel(file_path)
+else:
+    raise ValueError("Unsupported file type. Only CSV or XLSX allowed.")
+
+# Recipient column 
+print(f"Available columns: {list(df.columns)}")
+recipient_col = input("Enter the column name for recipients: ").strip()
+if recipient_col not in df.columns:
+    raise ValueError(f"Column '{recipient_col}' not found.")
+
+
+placeholders = {}
+while True:
+    var_name = input("Enter a placeholder name (e.g., $Variable1) or press Enter to finish: ").strip()
+    if not var_name:
+        break
+    col_name = input(f"Enter the column name to use for {var_name}: ").strip()
+    if col_name not in df.columns:
+        print(f"Column '{col_name}' not found, try again.")
+        continue
+    placeholders[var_name] = col_name
+
+sender_email = input("Enter your sender email address: ").strip()
+
+
+while True:
+    smtp_password = getpass.getpass("Enter your email password (hidden): ")
+    smtp_server = input("Enter your SMTP server (e.g., smtp.gmail.com): ").strip()
+    smtp_port = int(input("Enter your SMTP port (usually 587 for TLS): ").strip())
+    try:
+        with smtplib.SMTP(smtp_server, smtp_port) as server:
+            server.starttls()
+            server.login(sender_email, smtp_password)
+        print("Login successful!")
+        break
+    except smtplib.SMTPAuthenticationError:
+        print("Authentication failed. Please try again.")
+    except Exception as e:
+        print(f"SMTP error: {e}. Please try again.")
+
+subject = input("Enter the email subject: ").strip()
+print("Enter your email body. Use placeholders like $Variable1, $Variable2.")
+print("Type 'END' on a new line to finish:")
+lines = []
+while True:
+    line = input()
+    if line.strip().upper() == "END":
+        break
+    lines.append(line)
+body_template = "\n".join(lines)
+
+#  send
+with smtplib.SMTP(smtp_server, smtp_port) as server:
+    server.starttls()
+    server.login(sender_email, smtp_password)
+    
+    for idx, row in df.iterrows():
+        recipient = row[recipient_col]
+        body = body_template
+        for var, col in placeholders.items():
+            body = body.replace(var, str(row[col]))
+        
+        msg = MIMEMultipart()
+        msg['From'] = sender_email
+        msg['To'] = recipient
+        msg['Subject'] = subject
+        msg.attach(MIMEText(body, 'plain'))
+        
+        try:
+            server.send_message(msg)
+            print(f"Email sent to {recipient}")
+        except Exception as e:
+            print(f"Failed to send email to {recipient}: {e}")
+
+print("All emails processed!")