Python smtp从gmail发送电子邮件，

import smtplib
from email.mime.text import MIMEText
from email.header import Header

sender = 'your_email@gmail.com'
receiver = 'recipient_email@example.com'

subject = '邮件主题'
message = '邮件正文内容'
msg = MIMEText(message, 'plain', 'utf-8')
msg['Subject'] = Header(subject, 'utf-8')

smtp_server = 'smtp.gmail.com'
smtp_port = 587
username = 'your_email@gmail.com'
password = 'your_password'
smtp_obj = smtplib.SMTP(smtp_server, smtp_port)
smtp_obj.starttls()
smtp_obj.login(username, password)

smtp_obj.sendmail(sender, receiver, msg.as_string())
smtp_obj.quit()