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From: Tim Chase <python.list@tim.thechases.com>
Newsgroups: comp.lang.python
Subject: Re: Python email issues
Date: Tue, 26 Apr 2016 05:41:14 -0500
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Xref: csiph.com comp.lang.python:107648

On 2016-04-25 22:37, pannis2013@gmail.com wrote:
> I am trying send email through smtplib
>     body = "test"
>     message = """\
>     From: %s
>     To: %s
>     Subject: %s
>     %s
>     """ % (FROM, ", ".join(TO), SUBJECT, body)

Doesn't the email RFC require a blank line between the headers and
the body of the message?

I'd start by using Python's built-in tools for creating message
bodies to make sure that the message is properly composed.

-tkc