解决Python使用139邮箱报错smtplib.SMTPDataError: (550, b‘2f0d645e15038f4-1891b Mail rejected‘)

封装了一个邮件发送类，负责建立连接并发送邮件。

import smtplib
from datetime import datetime
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Headerclass Mail:# 登录及服务器信息mail_host = None    # 邮箱服务器地址mail_port = None    # 邮箱服务端口sender    = None    # 发送者（邮箱账号）authCode  = None    # 授权码receivers = None    # 接收者ccs       = None    # 抄送者# 邮箱连接mailServerCon = None# 邮件对象envelope = Nonedef __init__(self, mailhost, mailport, authCode, sender, receivers, cc):''':param authCode:授权码:param sender:发送者（邮箱账号）:param receivers:接受者，多个接受者用英文分号分隔:param cc:抄送者，多个抄送者用英文分号分隔'''Mail.mail_host = mailhostMail.mail_port = mailportMail.authCode = authCodeMail.sender = senderMail.receivers = receiversMail.ccs = ccdef login(self):# 连接邮箱服务器Mail.mailServerCon = smtplib.SMTP_SSL(Mail.mail_host, Mail.mail_port)# 登录邮箱Mail.mailServerCon.login(Mail.sender, Mail.authCode)def write(self, title, content, attachment=[]):''':param title: 邮件的主题:param content: 邮件的内容:param attachment: 邮件的附件，字符列表对象，附件的绝对路径:return:'''# 1.创建邮件对象Mail.envelope = MIMEMultipart()# 2.设置邮件主题subject = Header(title, 'utf-8').encode()Mail.envelope['Subject'] = subject# 3.设置邮件发送者Mail.envelope['From'] = Mail.sender# 4.设置邮件抄送者if Mail.ccs is not None and Mail.ccs !="":Mail.envelope['Cc'] = Mail.ccs# 4.设置邮件接收者Mail.envelope['To'] = Mail.receivers# 5.添加文字内容body = MIMEText(content, 'plain', 'utf-8') # 类型:plain(简单的⽂字内容)、html(超文本) 邮件对象.attach(文字对象)Mail.envelope.attach(body)# 6.添加附件for filepath in attachment:filename = filepath[filepath.rfind("/")+1:]annex = MIMEApplication(open(filepath, 'rb').read())annex["Content-Type"] = 'application/octet-stream'     # 设置内容类型annex.add_header('Content-Disposition', 'attachment', filename=filename) # 添加到header信息Mail.envelope.attach(annex)def send(self):receivers = Mail.receiversif Mail.ccs is not None and Mail.ccs !="":receivers = receivers+";"+Mail.ccsMail.mailServerCon.sendmail(Mail.sender, receivers.split(";"), Mail.envelope.as_string())Mail.mailServerCon.quit()if __name__ == '__main__':# 执行邮件发送mailhost = "smtp.139.com"mailport = 465mailauthcode = "8baxxxxxxxxxxxxx00"             # 授权码mailsender = "182xxxxxxxx@139.com"              # 发送方邮箱mailreceiver = "xxxxx@qq.com;yyyyyy@qq.com"     # 收件人邮件mailcc = ""        # 抄送人邮箱mail = Mail(mailhost, mailport, mailauthcode, mailsender, mailreceiver, mailcc)mail.login()huaweiOutputName = dataPath + "\文件1.xlsx"zteOutputName = dataPath + "\文件2.xlsx"attachments = [huaweiOutputName, zteOutputName]curTime = datetime.now()formCurTime = curTime.strftime('%Y-%m-%d %H:%M:%S')mail.write("【XXX分析】，第"+str(1)+"次", "分析时间："+formCurTime, attachments)mail.send()print("邮件发送成功...")

运行报错如下：

smtplib.SMTPDataError: (550, b'2f0d645e15038f4-1891b Mail rejected')

经过检查，发现是139邮箱的设置有问题，错误设置如下图：

 邮箱协议设置中，两个邮箱是都打开的。

经过实测，修改为只打开下一个“开启IMAP/SMTP服务”，入下图所示，就可以发送成功。

到此，结束。