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【Python】发送邮件,可带附件,可群发

作者:akang / 发布于2015/10/19/ 868

发送邮件,可带附件,可群发


	# 这是发布本信息时的版本,请以github上的为主要参考
	def send_email(login=None, mail=None, images=None, attachments=None, use_ssl=None):
	 smtpserver = login.get("smtpserver")
	 username = login.get("username")
	 password = login.get("password")
	 email_type = mail.get('email_type')
	 From = mail.get('from')
	 To = mail.get('to')
	 Subject = mail.get('subject')
	 content = mail.get('content')
	
	 if not To:
	 To = username
	 if isinstance(To, list):
	 To = ','.join(To)
	
	 if not email_type or (email_type not in ("plain", "html")):
	 email_type = "html"
	
	 main_msg = MIMEMultipart()
	 main_msg['Subject'] = Subject
	 main_msg['From'] = From
	 main_msg['To'] = To
	 text_msg = MIMEText(content, email_type, 'utf-8')
	 main_msg.attach(text_msg)
	
	 if images:
	 for f in images:
	 fp = open(f, 'rb')
	 img_msg = MIMEImage(fp.read())
	 fp.close()
	
	 basename = os.path.basename(f)
	 img_msg.add_header('content-disposition',
	 'image' + str(images.index(f)), filename=basename)
	 main_msg.attach(img_msg)
	
	 if attachments:
	 for f in attachments:
	 basename = os.path.basename(f)
	 if "." in basename:
	 content_type = mimetypes.types_map["." + basename.split(".")[-1]]
	 else:
	 content_type = 'application/octet-stream'
	 maintype, subtype = content_type.split('/', 1)
	
	 fp = open(f, 'rb')
	 file_msg = MIMEBase(maintype, subtype)
	 file_msg.set_payload(fp.read())
	 fp.close()
	
	 encoders.encode_base64(file_msg)
	
	 file_msg.add_header('Content-Disposition',
	 'attachment' + str(images.index(f)), filename=basename)
	 main_msg.attach(file_msg)
	
	 smtp = smtplib.SMTP(smtpserver)
	 if use_ssl:
	 smtp.ehlo()
	 smtp.starttls()
	 smtp.ehlo()
	
	 smtp.login(username, password)
	 smtp.sendmail(From, To, main_msg.as_string())
	 smtp.quit()

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