Chilkat2-Python

Send Email with Multiple Reply-To Addresses

See more SMTP Examples

Send email with multiple repy-to addresses.

Note: Some mail servers will remove the extra email addresses from the Reply-To header. Even if you provide multiple reply-to addresses, the email may arrive with only the 1st.

Chilkat2-Python

import sys
import chilkat2

success = False

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

mailman = chilkat2.MailMan()

mailman.SmtpHost = "smtp.my_mail_server.com"
mailman.SmtpUsername = "myUsername"
mailman.SmtpPassword = "myPassword"
mailman.SmtpPort = 465
mailman.SmtpSsl = True

# Create a new email object
email = chilkat2.Email()

email.Subject = "This is a test"
email.Body = "This is a test"
email.From = "Joe <joe@example.com>"
success = email.AddTo("Mary","mary@example2.com")

# Specify a single reply-to address, which will get replace with a list of addresses..
email.ReplyTo = "placeholder@example.com"

# Get the email as MIME.
sbMime = chilkat2.StringBuilder()
mailman.RenderToMimeSb(email,sbMime)

# Update the Reply-To MIME header with a list of email addresses.
replyToAddrs = "joe@example.com, mike@example.com"
sbMime.ReplaceAllBetween("Reply-To: ","\r\n",replyToAddrs,False)

# Examine the MIME to be sent:
print(sbMime.GetAsString())

# Here's the MIME:

# MIME-Version: 1.0
# Date: Tue, 03 Sep 2024 08:18:12 -0500
# Message-ID: <D892B0E563A7A13B1F499530DE21529714EA479A@SLICE>
# Content-Type: text/plain; charset=us-ascii; format=flowed
# Content-Transfer-Encoding: 7bit
# X-Priority: 3 (Normal)
# Subject: This is a test
# From: Joe <joe@example.com>
# To: Mary <mary@example2.com>
# Reply-To: joe@example.com, mike@example.com
# 
# This is a test

# ---------
# Send the MIME...
success = mailman.SendMime("joe@example.com","mary@example2.com",sbMime.GetAsString())
if (success == False):
    print(mailman.LastErrorText)
    sys.exit()

success = mailman.CloseSmtpConnection()
if (success == False):
    print("Connection to SMTP server not closed cleanly.")

print("Mail Sent!")