Sending HTML email from Python

Question

I am trying to send HTML email via python on a unix server. I need to use p.communicate for other reasons. I'd like not to change this code too much so I dont have to fix all the scripts that use this function.

What I am trying to do is send to multiple to_add. it works with one but not more. I've tring to_address as a list, a string with addresses separated by comma.

html = MIMEText("<html><body>"+content+"</body>", "html")
msg = MIMEMultipart("alternative")
msg['To'] =  email.utils.formataddr(('Recipient', to_address))
msg['From'] = email.utils.formataddr(('Author', 'author@company'))
msg['Subject'] = subject
msg.attach(html)
p = Popen(["/usr/sbin/sendmail", "-f","author@company","-t"], stdin=PIPE)
p.communicate(msg.as_string())

works with

"[email protected]"

doesnt work with

"[email protected],[email protected]" ["[email protected]","[email protected]"]

zwer · Accepted Answer · 2018-07-24 21:23:16Z

1

Try separating your addresses with a space, not a comma. Alternatively you can just pass the list of addresses directly to the /usr/sbin/sendmail call (and omit them from the MIMEMultipart structure):

email_addresses = ["[email protected]", "[email protected]"]
p = Popen(["/usr/sbin/sendmail",
           "-f", "[email protected]",
           ",".join(email_addresses)] , stdin=PIPE)

edited Jul 24, 2018 at 21:23

answered Jul 24, 2018 at 21:09

zwer

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2 Comments

tripleee Over a year ago

The -t option to Sendmail should be omitted in the alternative scenario.

zwer Over a year ago

@tripleee - Whoops, I happened to be a victim of copy/pasta :(. Good catch!

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