Split the long email package examples into separate files and use

\verbatiminput instead of the verbatim environment -- this does the "right
thing" regarding page breaks in long examples for the typeset formats, and
has nice benefits for the HTML version as well.

Doc/lib/email-simple.py

@@ -0,0 +1,25 @@
+# Import smtplib for the actual sending function
+import smtplib
+
+# Import the email modules we'll need
+from email.MIMEText import MIMEText
+
+# Open a plain text file for reading.  For this example, assume that
+# the text file contains only ASCII characters.
+fp = open(textfile, 'rb')
+# Create a text/plain message
+msg = MIMEText(fp.read())
+fp.close()
+
+# me == the sender's email address
+# you == the recipient's email address
+msg['Subject'] = 'The contents of %s' % textfile
+msg['From'] = me
+msg['To'] = you
+
+# Send the message via our own SMTP server, but don't include the
+# envelope header.
+s = smtplib.SMTP()
+s.connect()
+s.sendmail(me, [you], msg.as_string())
+s.close()