#!/usr/bin/python

import smtplib
import base64

filename = "final.txt"

# Read a file and encode it into base64 format
fo = open(filename, "rb")
filecontent = fo.read()
encodedcontent = base64.b64encode(filecontent) # base64

sender = 'ме@фигвам.ca'
receivers = ['ме@фигвам.ca']

marker = "AUNIQUEMARKER"


body ="""
This is a test email to send an attachement.
"""
# Define the main headers.
part1 = """From: TSQL unit test <ме@фигвам.ca>
To: To Person <ме@фигвам.ca>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=%s
--%s
""" % (marker, marker)

# Define the message action
part2 = """Content-Type: text/plain
Content-Transfer-Encoding:8bit

%s
--%s
""" % (body,marker)

# Define the attachment section
part3 = """Content-Type: multipart/mixed; name="%s"
Content-Transfer-Encoding:base64
Content-Disposition: attachment; filename=%s

%s
--%s--
""" %(filename, filename, encodedcontent, marker)
message = part1 + part2 + part3

try:
smtpObj = smtplib.SMTP('smtp.com', 25)
smtpObj.sendmail(sender, receivers, message)
print ("Successfully sent email")
except SMTPException:
print ("Error: unable to send email")


---------------------------------------

This is a test email to send an attachement.
mÕ¹¥Ñ}Ñ•ÍÑ•™…ձхф¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ‘•Ù¥”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ‘•Ù¥•}±¥ÍÑ}‘•Ñ…¥°¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ59`ÄÀȹÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ59`ÄÀ̹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ59`ÄÀйÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ59`ÄÀÔ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑ‘µ¹á}™Õ¹Ñ¥½¸¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÉ•Á½ÉÑÍ}‘…Í¡‰½…ɐ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑM19`ÈÀÀ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑM19`ÈÀ̹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}‘…Í¡‰½…ɐ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}•µ‰•‘‘•‘}½¹™¥œ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}™Õ¹Ñ¥½¸¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á})%I¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}Áɽ•‘ÕÉ”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}Áɽ™¥±•}½¹™¥œ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉйÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉÑ}‘•Ñ‘½}ÕÍ…”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉÑ}‘½}ÕÍ…”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉÑ}ÁÉ¥¹Ñ}ÕÍ…”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉÑ}ѽÑ}‘½}ÕÍ…”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}É•Á½ÉÑ}Ý™}ÕÍ…”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑͱ¹á}ÑÉ¥•É̹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÍ幍}•Œ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÍ幍}ÁÉ¥¥¹œ¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÍ幍}ÁÉ¥¥¹}‘•Ø¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÍ幍}ÁÉ¥¹ÑÉÕ±”¹ÍÅ°4)Õ¹¥Ñ}Ñ•ÍÑÍ幍}Áɽ™¥±”¹ÍÅ°

спасибо за советы, в версии 2.7 этот код работает