Setting different reply-to message in Python email/smtplib

Question

I am using Python email and smtplib to send an email from Python. I am doing this via the Gmail SMTP server using my Gmail credentials. This works fine, however I would like to specify a Reply-to email address different from the from address, so that replies go to a separate address (non-Gmail.)

I have tried creating a reply to parameter like this:

   msg = MIMEMultipart()     msg['From'] = "[email protected]"    msg['To'] = to    msg['Subject'] = subject    msg['Reply-to'] = "[email protected]" 

But this doesn't work. Can't find any info on this in the Python docs.

Thanks.

Answer 1

Here's my take on it. I believe that the "Reply-To" header should be set explicitly. The likely reason is that it's less commonly used than headers such as "Subject", "To", and "From".

python Python 2.6.6 (r266:84292, May 10 2011, 11:07:28)  [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> MAIL_SERVER = 'smtp.domain.com' >>> TO_ADDRESS = '[email protected]' >>> FROM_ADDRESS = '[email protected]' >>> REPLY_TO_ADDRESS = '[email protected]' >>> import smtplib >>> import email.mime.multipart >>> msg = email.mime.multipart.MIMEMultipart() >>> msg['to'] = TO_ADDRESS >>> msg['from'] = FROM_ADDRESS >>> msg['subject'] = 'testing reply-to header' >>> msg.add_header('reply-to', REPLY_TO_ADDRESS) >>> server = smtplib.SMTP(MAIL_SERVER) >>> server.sendmail(msg['from'], [msg['to']], msg.as_string()) {}