app.py

import streamlit as st
import smtplib

def email_sender(sender_add, password, to_emails, num_emails):

    for _ in range(num_emails):
        for to_email in to_emails.split(','):  # Split the emails by comma
            smtp_server=smtplib.SMTP("smtp.outlook.com",587)
            smtp_server.ehlo()
            smtp_server.starttls()
            smtp_server.ehlo() 
            smtp_server.login(sender_add,password)

            msg_to_be_sent ='''
            Dear Deans of BAU,
            #... The rest of your message
            '''

            msg_to_be_sent = msg_to_be_sent.encode('utf-8')
            smtp_server.sendmail(sender_add, to_email.strip(), msg_to_be_sent)

            smtp_server.quit()
    return "Emails sent successfully!"

def main():
    st.title("Email Sender App")
    sender_email = st.text_input("Your Email")
    sender_password = st.text_input("Your Email Password")
    recipient_emails = st.text_input("Recipient Emails (comma separated without space)")
    num_emails = st.slider("Number of Emails", min_value=1, max_value=10)

    if st.button('Send Emails'):
        if sender_email and sender_password and recipient_emails:
            result = email_sender(sender_email, sender_password, recipient_emails, num_emails)
            st.success(result)
        else:
            st.error('Please fill in all the fields')