Re: sendmail library ?!

From	Grant Edwards <invalid@invalid.invalid>
Newsgroups	comp.lang.python
Subject	Re: sendmail library ?!
Date	2013-11-18 17:56 +0000
Organization	PANIX Public Access Internet and UNIX, NYC
Message-ID	<l6dkbu$1oh$1@reader1.panix.com> (permalink)
References	<mailman.2524.1384318364.18130.python-list@python.org> <vk7j89tmt6vki78112v7p4st931nkhh4o7@4ax.com>

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On 2013-11-18, Tim Roberts <timr@probo.com> wrote:
> Tamer Higazi <th982a@googlemail.com> wrote:
>>
>>I am looking for a python library that does mailing directly through
>>"sendmail".
>>
>>When I look into the docs, I see only an "smtlip" library but nothing
>>that could serve with sendmail or postfix.
>>
>>Any ideas ?!
>
> Remember that
>    import smtplib
>    s = smtplib.SMTP("localhost")
> usually communicates directly with the local server, whether it be sendmail
> or postfix or whatever.

It's not uncommon for a machine that doesn't receive mail to have
sendmail/postfix/whatever installed for the purpose of sending mail
only. In that case, there might not be anybody listening on
(localhost,smtp). The traditional way to send mail on a Unix system is
to invoke the 'sendmail' command with appropriate command-line
arguments and then shove the message into sendmail's stdin.  

It's pretty trivial -- here's a simple "sendmail library":

def sendmail(frm,to,msg):
    with os.popen("sendmail -f '%s' '%s'" % (frm,to), "w") as p:
        p.write(msg)

That works on my system, but YMMV. You might like more options (like
automagically parsing frm/to address from msg headers or whatnot), and
those are left as an exercise for the reader.

-- 
Grant Edwards               grant.b.edwards        Yow! Did an Italian CRANE
                                  at               OPERATOR just experience
                              gmail.com            uninhibited sensations in
                                                   a MALIBU HOT TUB?

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sendmail library ?! Tamer Higazi <th982a@googlemail.com> - 2013-11-13 05:52 +0100
  Re: sendmail library ?! Tim Roberts <timr@probo.com> - 2013-11-17 21:00 -0800
    Re: sendmail library ?! Grant Edwards <invalid@invalid.invalid> - 2013-11-18 17:56 +0000

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