使用Python SMTP库发送OTP邮件遇535认证错误求助

错误日志 #

Failed to send email: (535, b'5.7.8 Username and Password not accepted. For more information, go to
5.7.8 https://support.google.com/mail/?p=BadCredentials
d75a77b69052e-4746b3106b9sm84101401cf.18 - gsmtp')
127.0.0.1 - - [05/Mar/2025 07:34:22] "PUT /forget_password HTTP/1.1" 200 -

代码片段 #

import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from api.config import PASSWORD, MAIL

def send_otp(email, otp):
    """
    Sends an OTP to the specified email address.

    Args:
        email (str): The recipient's email address.
        otp (str): The OTP to be sent.

    Sends the OTP via email using SMTP.
    """
    sender_email = MAIL
    sender_password = PASSWORD
    subject = "Your OTP Code"
    body = f"Your OTP code is {otp}. It is valid for 10 minutes."

    message = MIMEMultipart()
    message["From"] = sender_email
    message["To"] = email
    message["Subject"] = subject
    message.attach(MIMEText(body, "plain"))

    try:
        server = smtplib.SMTP("smtp.gmail.com", 587)  
        # server.starttls()  # Uncommented this if using TLS
        server.login(sender_email, sender_password)
        server.sendmail(sender_email, email, message.as_string())
        server.quit()
    except Exception as e:
        print(f"Failed to send email: {e}")

已执行的排查步骤 #

• 验证邮箱和密码正确无误
• 测试了SMTP服务器地址（smtp.gmail.com）和端口（587）
• 确认SMTP认证已启用

内容的提问来源于stack exchange，提问作者Abhishek