import smtplib from email.mime.text import MIMEText from email.mime.multipart import MIMEMultipart from email.mime.application import MIMEApplication from email.header import Header from email.utils import parseaddr, formataddr import mimetypes import os def send_email(smtp_server, username, password, sender, recipients, subject, content, cc, bcc, port=25, sendername=None, attachments=None): def _format_addr(s): name, addr = parseaddr(s) return formataddr((Header(name, 'utf-8').encode(), addr)) if not attachments: attachments = [] msg = MIMEMultipart() if sendername: msg['From'] = _format_addr(sendername + ' <%s>' % sender) else: msg['From'] = sender if isinstance(recipients, str): recipients = [recipients] msg['To'] = ",".join(recipients) if cc: if isinstance(cc, str): cc = [cc] cc_list = [addr for addr in cc if addr not in recipients] if cc_list: msg['Cc'] = ",".join(cc_list) recipients += cc_list if bcc: if isinstance(bcc, str): bcc = [bcc] bcc_list = [addr for addr in bcc if addr not in recipients] if bcc_list: msg['Bcc'] = ",".join(bcc_list) recipients += bcc_list msg['Subject'] = Header(subject, 'utf-8').encode() text_part = MIMEText(content, 'html', 'utf-8') msg.attach(text_part) for attachment in attachments: file_path = attachment["path"] if not os.path.isfile(file_path): print("附件文件不存在:{}".format(file_path)) continue try: with open(file_path, "rb") as f: mime_type, encoding = mimetypes.guess_type(file_path) if mime_type is None: mime_type = 'application/octet-stream' part = MIMEApplication(f.read()) part.add_header('Content-Disposition', 'attachment', filename=attachment["filename"]) part.add_header('Content-Type', mime_type) msg.attach(part) except FileNotFoundError as e: print("文件未找到:{}".format(e)) except Exception as e: print("附件读取失败:{}".format(e)) try: if str(port) == "25": server = smtplib.SMTP(smtp_server, port) else: server = smtplib.SMTP_SSL(smtp_server, port) server.login(username, password) server.sendmail(sender, recipients, msg.as_string()) server.quit() print("邮件发送成功!") except Exception as e: print("邮件发送失败:{}".format(e)) smtp_server = "smtp.aliyun.com" username = "abc@aliyun.com" password = "password" sender = "abc@aliyun.com" recipients = "abc@abc.cn" cc = ["abc@126.com","abc@139.com"] bcc = "" subject = "title" content = "content" n = "name" port = 25 attachments = [{"filename":"申请单.xlsx","path":"C:/申请单.xlsx"}, {"filename": "新课标.docx", "path": "D:/新课标.docx"}, {"filename": "笨笨狗.pdf", "path": "D:/books/笨笨狗.pdf"}] send_email(smtp_server, username, password, sender, recipients, subject, content, cc,bcc,port=port, sendername=n, attachments=attachments)
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Python发送Email电子邮件代码
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