Ниже приведен простой фрагмент, который я использовал для отправки электронного письма нескольким людям с несколькими вложенными файлами.
# -*- coding: utf-8 -*-
import smtplib
import mimetypes
from email.mime.multipart import MIMEMultipart
from email import encoders
from email.mime.audio import MIMEAudio
from email.mime.base import MIMEBase
from email.mime.image import MIMEImage
from email.mime.text import MIMEText
import ntpath
sender_address = 'vijay.anand@xxxx.com'
default_subject = 'Test email from {}'.format(sender_address)
smtp_server_address = '10.111.41.25'
smtp_port_number = 25
default_message = message = """<html>
<body>
Attached is the Louisiana Contractors Spreadsheet.
<br><br>
Let me know if you have any questions
</body>
</html>
"""
def send_by_smtp(to=None, cc=None, bcc=None, subject=None, attachments=None, attachment_type='plain'):
"""
Snippet to send an email to multiple people along with multiple attachments.
:param to: list of emails
:param cc: list of emails
:param bcc: list of emails
:param subject: Email Subject
:param attachments: list of file paths
:param attachment_type: 'plain' or 'html'
:return: None
"""
email_from = sender_address
email_to = list()
files_to_send = attachments
msg = MIMEMultipart()
msg["From"] = email_from
if to:
to = list(set(to))
email_to += to
msg["To"] = ', '.join(to)
if cc:
cc = list(set(cc))
email_to += cc
msg["Cc"] = ', '.join(cc)
if bcc:
bcc = list(set(bcc))
email_to += bcc
msg["Bcc"] = ', '.join(bcc)
if subject:
msg["Subject"] = subject
msg.preamble = subject
else:
msg["Subject"] = default_subject
msg.preamble = default_subject
body = default_message
msg.attach(MIMEText(body, attachment_type))
if files_to_send:
for file_to_send in files_to_send:
content_type, encoding = mimetypes.guess_type(file_to_send)
if content_type is None or encoding is not None:
content_type = "application/octet-stream"
maintype, subtype = content_type.split("/", 1)
if maintype == "text":
with open(file_to_send) as fp:
# Note: we should handle calculating the charset
attachment = MIMEText(fp.read(), _subtype=subtype)
elif maintype == "image":
with open(file_to_send, "rb") as fp:
attachment = MIMEImage(fp.read(), _subtype=subtype)
elif maintype == "audio":
with open(file_to_send, "rb")as fp:
attachment = MIMEAudio(fp.read(), _subtype=subtype)
else:
with open(file_to_send, "rb") as fp:
attachment = MIMEBase(maintype, subtype)
attachment.set_payload(fp.read())
encoders.encode_base64(attachment)
attachment.add_header("Content-Disposition", "attachment", filename=ntpath.basename(file_to_send))
msg.attach(attachment)
try:
smtp_obj = smtplib.SMTP(host=smtp_server_address, port=smtp_port_number, timeout=300)
smtp_obj.sendmail(from_addr=email_from, to_addrs=list(set([email_from] + email_to)), msg=msg.as_string())
print("Successfully sent email to {}".format(str(email_to)))
smtp_obj.quit()
return True
except smtplib.SMTPException:
print("Error: unable to send email")
return False
if __name__ == '__main__':
print('Send an email using Python')
result = send_by_smtp(to=['vijay@xxxx.com', 'tha@xxx.com'],
cc=['anandp@xxxx.com', 'nitha@xxxx.com'],
bcc=['vij@xxxx.com', 'Sun@xxxx.com'],
subject='Louisiana Contractors List',
attachments=['test.txt', '1.JPG', '2.PNG', '3.PNG', '4.PNG'],
attachment_type='html')
if result:
print('Email Sent Successfully')
else:
print('Email Sending Failed')