#23490: Email send error: "See http://pobox.com/~djb/docs/smtplf.html";
------------------------------+------------------------------------
     Reporter:  maherma-adg   |                    Owner:  nobody
         Type:  Bug           |                   Status:  new
    Component:  Core (Mail)   |                  Version:  1.6
     Severity:  Normal        |               Resolution:
     Keywords:  email smtplf  |             Triage Stage:  Accepted
    Has patch:  0             |      Needs documentation:  0
  Needs tests:  0             |  Patch needs improvement:  0
Easy pickings:  0             |                    UI/UX:  0
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Changes (by aaugustin):

 * stage:  Unreviewed => Accepted


Comment:

 The doc for
 
[https://docs.python.org/3.4/library/email.generator.html#email.generator.Generator.flatten
 flatten] says:

 > Optional linesep specifies the line separator character used to
 terminate lines in the output. If specified it overrides the value
 specified by the msg's or Generator's policy.

 Since Django doesn't specify a policy, I believe we end up with
 [https://docs.python.org/3.4/library/email.policy.html#email.policy.default
 the default policy], which is documented to exhibit this bug. The proper
 fix is to switch to
 [https://docs.python.org/3.4/library/email.policy.html#email.policy.SMTP
 the SMTP policy].

 The easiest way is to inject it when we instanciate the Generator. But I'm
 wondering if it wouldn't be safer to set it on the message, to avoid the
 same kind of bugs in other code paths.

--
Ticket URL: <https://code.djangoproject.com/ticket/23490#comment:2>
Django <https://code.djangoproject.com/>
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