Python 邮件发送（163为例）

代码

import smtplib
import socket
from email.mime.text import MIMEText
from email.header import Headerdef send_mail():# 设置发件人、收件人、主题、内容from_address = '[e-mail]'to_address = '[e-mail]'subject = 'test email'body = 'hahahhahaha'# SMTP邮件服务器smtp_server = 'smtp.163.com'smtp_port = 25# 发件人账号和密码username = '[e-mail]'password = 'your password'# 创建邮件内容msg = MIMEText(body, 'plain', 'utf-8')msg['From'] = from_addressmsg['To'] = to_addressmsg['Subject'] = Header(subject, 'utf-8')server = None  # 初始化 servertry:# 检查端口是否通畅sock = socket.create_connection((smtp_server, smtp_port), timeout=5)sock.close()# 连接邮件服务器并发送邮件server = smtplib.SMTP(smtp_server, smtp_port)server.login(username, password)server.sendmail(from_address, to_address, msg.as_string())print('Email send successfully!')#捕获socket的errorexcept socket.error as e:print('Socket error occurred:', e)#捕获smtplib的errorexcept smtplib.SMTPException as e:print('SMTP error occurred:', e)#捕获任何类型的异常except Exception as e:print('An error occurred:', e)#无论是否发生异常，此模块下的代码都会执行finally:if server is not None:server.quit()if __name__ == '__main__':send_mail()

返回

捕获异常

将端口修改成一个错误的端口，会提示报错  连接端口失败

        

填写一个错误的账号或者是密码，会提示认证失败