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POMysterious issue with Django + uWSGI + send email
 

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  1. POMysterious issue with Django + uWSGI + send email
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    <p>I'm here to write you after about 1.5 hour of hard debugging.</p> <p><br> First of all, these are the interested files:</p> <h3><code>/project/app/utils.py</code></h3> <pre><code>from django.core.mail import EmailMultiAlternatives import threading class EmailThread(threading.Thread): def __init__(self, subject, body, from_email, recipient_list, fail_silently, html): self.subject = subject self.body = body self.recipient_list = recipient_list self.from_email = from_email self.fail_silently = fail_silently self.html = html threading.Thread.__init__(self) def run(self): msg = EmailMultiAlternatives(self.subject, self.body, self.from_email, self.recipient_list) if self.html: msg.attach_alternative(self.html, "text/html") print "sending message" msg.send(self.fail_silently) print "sent." def send_html_mail(subject, body, from_email, recipient_list, fail_silently=False, html=None, *args, **kwargs): EmailThread(subject, body, from_email, [recipient_list], fail_silently, html).start() </code></pre> <h3><code>/project/app/views.py</code></h3> <pre><code>[...] import utils def my_view(request): [...] utils.send_html_mail('subject', '&lt;h1&gt;cool things.&lt;/h1&gt;', 'Test &lt;test@example.org&gt;', 'my_email@example.org', html='&lt;h1&gt;cool things.&lt;/h1&gt;') </code></pre> <h3><code>/project/app/settings.py</code></h3> <pre><code># I use Amazon SES [...] EMAIL_BACKEND = 'backends.smtp.SSLEmailBackend' EMAIL_HOST = 'amazon-server' EMAIL_PORT = 465 EMAIL_HOST_USER = 'user' EMAIL_HOST_PASSWORD = 'pass' EMAIL_USE_TLS = True [...] </code></pre> <h3><code>/project/backends/smtp.py</code></h3> <pre><code># taken from https://gist.github.com/1486891 import smtplib from django.core.mail.utils import DNS_NAME from django.core.mail.backends.smtp import EmailBackend class SSLEmailBackend(EmailBackend): def open(self): if self.connection: return False try: self.connection = smtplib.SMTP_SSL(self.host, self.port, local_hostname=DNS_NAME.get_fqdn()) if self.username and self.password: self.connection.login(self.username, self.password) return True except: if not self.fail_silently: raise </code></pre> <p>Ok, now the problem:</p> <p>in localhost:</p> <ul> <li>sending the email from the view <strong>works</strong></li> <li>sending the email from the django shell <strong>works</strong></li> </ul> <p>in the deploy app on my server:</p> <ul> <li>sending the email from the view <strong>DOESN'T WORKS</strong></li> <li>sending the email from the django shell <strong>works</strong></li> </ul> <p>Django shell output in <strong>localhost</strong>:</p> <pre><code># utils.send_html_mail('subject', '&lt;h1&gt;cool things.&lt;/h1&gt;', 'Test &lt;test@example.org&gt;', 'my_email@example.org', html='&lt;h1&gt;cool things.&lt;/h1&gt;') sending email sent. </code></pre> <p>Django shell output in <strong>deploy app</strong>:</p> <pre><code># utils.send_html_mail('subject', '&lt;h1&gt;cool things.&lt;/h1&gt;', 'Test &lt;test@example.org&gt;', 'my_email@example.org', html='&lt;h1&gt;cool things.&lt;/h1&gt;') sending email </code></pre> <p>Same code, same commit. The problem is in the method <code>msg.send(self.fail_silently)</code> just before the <code>print "sent."</code> probably, but what is it? I don't have ideas.</p> <p>And you?</p>
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