Python: How to Send Mail with To, Cc and Bcc

python: how to send mail with TO, CC and BCC?

Email headers don't matter to the smtp server. Just add CC and BCC recipients to toaddrs when sending emails. For CC, add them to the CC header.

toaddr = 'buffy@sunnydale.k12.ca.us'
cc = ['alexander@sunydale.k12.ca.us','willow@sunnydale.k12.ca.us']
bcc = ['chairman@slayerscouncil.uk']
fromaddr = 'giles@sunnydale.k12.ca.us'
message_subject = "disturbance in sector 7"
message_text = "Three are dead in an attack in the sewers below sector 7."
message = "From: %s\r\n" % fromaddr
        + "To: %s\r\n" % toaddr
        + "CC: %s\r\n" % ",".join(cc)
        + "Subject: %s\r\n" % message_subject
        + "\r\n" 
        + message_text
toaddrs = [toaddr] + cc + bcc
server = smtplib.SMTP('smtp.sunnydale.k12.ca.us')
server.set_debuglevel(1)
server.sendmail(fromaddr, toaddrs, message)
server.quit()

Python Gmail BCC and CC

you can try this

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import os

toaddr = ['foo@bar.us','jhon@doe.it']
cc = ['aaa@bb.com','cc@dd.com']
bcc = ['hello@world.uk']

subject = 'Email from Python Code'
fromaddr = 'your@email.com'
message = "\n  !! Hello... !!"

msg            = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From']    = fromaddr 
msg['To']      = ', '.join(toaddr)
msg['Cc']      = ', '.join(cc)
msg['Bcc'] = ', '.join(bcc)

# Create the body of the message (an HTML version).
text = """Hi  this is the body
"""

# Record the MIME types of both parts - text/plain and text/html.
body = MIMEText(text, 'plain')

# Attach parts into message container.
msg.attach(body)

# Send the message via local SMTP server.
s = smtplib.SMTP('server.com', 587)
s.set_debuglevel(1)
s.ehlo()
s.starttls()
s.login(fromaddr, PASSWORD)
s.sendmail(fromaddr, toaddr, msg.as_string())
s.quit()

Python Emails Not Sending to BCC

I found a solution to my issue with it not sending! Here's my code if anyone is interested!

"""
June 20, 2020

@author: Carlos
"""
import smtplib
mail = smtplib.SMTP("smtp.gmail.com", 587)

sender = input("Your email: ")
password = input("Your password: ")
reciever = input("Receiver(s): ")
cc = [input("CC(s): ")]
bcc = [input("BCC(s): ")]
subject = input("Your header: ")
message_text = input("Your message: ")
message = "From: %s\r\n" % sender + "To: %s\r\n" % reciever + "CC: %s\r\n" % ",".join(cc) + "Subject: %s\r\n" % subject + "\r\n"  + message_text
to = [reciever] + cc + bcc

mail.ehlo()

mail.starttls()

mail.login(sender, password)

mail.sendmail(sender, to, message)

mail.close()

print("Successfully sent email!")

Mails not being sent to people in CC

I think that you will need to put the CCADDR with the TOADDR when sending the mail:

s.sendmail(FROMADDR, TOADDR+CCADDR, msg.as_string())

You're correctly adding the addresses to your message, but you will need the cc addresses on the envelope too.

From the docs:

Note The from_addr and to_addrs parameters are used to construct the message envelope used by the transport agents.

Using Python to send to multiple BCC recipients in Outlook

olBCC is 3.

Secondly, Recipients collection is 1 based, not 0.

Thirdly, Recipients.Add returns a Recipient object. Your code ignores the result of the call:

for recipient in emails:
     mail.Recipients.Add(recipient).Type = 3

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