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拿163邮箱举例

一、开启邮箱的POP3/SMTP服务并拿到授权密码

要开启POP3/SMTP服务

复制授权密码，一会要使用

 

二、发送邮件

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart# 我的邮箱配置
mail_host = "smtp.163.com"
mail_user = "[e-mail]"
mail_pass = "KThe***********"sender = "[e-mail]"
# 收件人的邮箱
receivers = ["[e-mail]"]# 邮件的内容
message = MIMEText("你好", "plain", "utf-8")
message["Subject"] = "2025年第一季度报告"
# 想要收件人看到的邮箱名称
message["Form"] = "神秘人"
# 要发送给的人
message["To"] = receivers[0]# 正式发送邮件
try:smtpObj1 = smtplib.SMTP_SSL(mail_host, 465)# smtpObj1.set_debuglevel(1)smtpObj1.login(mail_user, mail_pass)smtpObj1.sendmail(sender, receivers, message.as_string())smtpObj1.quit()print("邮件发送成功")
except Exception as e:print("error", e)

 三、发送包含附件的邮件

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart# 我的邮箱配置
mail_host = "smtp.163.com"
mail_user = "[e-mail]"
mail_pass = "KTh************"sender = "[e-mail]"
# 收件人的邮箱
receivers = ["[e-mail]"]# 邮件的内容
# message = MIMEText("你好", "plain", "utf-8")
# MIMEMultipart()可以用来传输附件，也可以用来传输文本
message = MIMEMultipart()
message["Subject"] = "2025年第一季度报告"
# 想要收件人看到的邮箱名称
message["Form"] = "神秘人"''
# 要发送给的人
message["To"] = receivers[0]
content = MIMEText('附件请接收', 'plain', 'utf-8')
message.attach(content)with open('./dataFile/测试文件转换.pdf', 'rb') as f:att = MIMEText(f.read(), 'base64', 'utf-8')att['Content-Type'] = 'application/octet-stream'att["Content-Disposition"] = 'attachment; filename=test.pdf'message.attach(att)# 正式发送邮件
try:smtpObj1 = smtplib.SMTP_SSL(mail_host, 465)# smtpObj1.set_debuglevel(1)smtpObj1.login(mail_user, mail_pass)smtpObj1.sendmail(sender, receivers, message.as_string())smtpObj1.quit()print("邮件发送成功")
except Exception as e:print("error", e)

运行结果：