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# Based on the simple libcurl SMTP example:
# https://github.com/bagder/curl/blob/master/docs/examples/smtp-mail.c
# There are other SMTP examples in that directory that you may find helpful.
from . import localhost
import pycurl
try:
from io import BytesIO
except ImportError:
from StringIO import StringIO as BytesIO
import sys
PY3 = sys.version_info[0] > 2
mail_server = 'smtp://%s' % localhost
mail_from = 'sender@example.org'
mail_to = 'addressee@example.net'
c = pycurl.Curl()
c.setopt(c.URL, mail_server)
c.setopt(c.MAIL_FROM, mail_from)
c.setopt(c.MAIL_RCPT, [mail_to])
message = '''\
From: %s
To: %s
Subject: PycURL SMTP example
SMTP example via PycURL
''' % (mail_from, mail_to)
if PY3:
message = message.encode('ascii')
# libcurl does not perform buffering, therefore
# we need to wrap the message string into a BytesIO or StringIO.
io = BytesIO(message)
c.setopt(c.READDATA, io)
# If UPLOAD is not set, libcurl performs SMTP VRFY.
# Setting UPLOAD to True sends a message.
c.setopt(c.UPLOAD, True)
# Observe SMTP conversation.
c.setopt(c.VERBOSE, True)
c.perform()