Call connect() before sending an email with smtplib

Doc/includes/email-mime.py

 # Import smtplib for the actual sending function
 import smtplib
 
 # Here are the email package modules we'll need
 from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
 
 COMMASPACE = ', '
 
 # Create the container (outer) email message.
 msg = MIMEMultipart()
 msg['Subject'] = 'Our family reunion'
 # me == the sender's email address
 # family = the list of all recipients' email addresses
 msg['From'] = me
 msg['To'] = COMMASPACE.join(family)
 msg.preamble = 'Our family reunion'
 
 # Assume we know that the image files are all in PNG format
 for file in pngfiles:
     # Open the files in binary mode.  Let the MIMEImage class automatically
     # guess the specific image type.
     fp = open(file, 'rb')
     img = MIMEImage(fp.read())
     fp.close()
     msg.attach(img)
 
 # Send the email via our own SMTP server.
 s = smtplib.SMTP()
+s.connect()
 s.send_message(msg)
 s.quit()