File size: 4,747 Bytes
133609a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 |
import os
import ssl
import smtplib
from email.mime.text import MIMEText
from email.header import Header
from dotenv import load_dotenv
# Load environment variables from .env file
load_dotenv()
# Email Configuration
SMTP_SERVER = os.environ.get("SMTP_SERVER")
SMTP_PORT = int(os.environ.get("SMTP_PORT", 465)) # Default to 465 for SSL
SMTP_USERNAME = os.environ.get("SMTP_USERNAME")
SMTP_PASSWORD = os.environ.get("SMTP_PASSWORD")
SENDER_EMAIL = os.environ.get("SENDER_EMAIL")
SENDER_NAME = os.environ.get("SENDER_NAME", "Test Sender")
def test_send_email(to_email: str, subject: str, body: str):
print("--- 开始邮件发送测试流程 ---")
print(f"加载环境变量: SMTP_SERVER={SMTP_SERVER}, SMTP_PORT={SMTP_PORT}, SENDER_EMAIL={SENDER_EMAIL}")
if not all([SMTP_SERVER, SMTP_USERNAME, SMTP_PASSWORD, SENDER_EMAIL]):
print("错误: SMTP配置不完整。请检查 .env 文件中的 SMTP_SERVER, SMTP_USERNAME, SMTP_PASSWORD, SENDER_EMAIL。")
return False
msg = MIMEText(body, 'plain', 'utf-8')
msg['From'] = f"{SENDER_NAME} <{SENDER_EMAIL}>"
msg['To'] = Header(to_email, 'utf-8')
msg['Subject'] = Header(subject, 'utf-8')
print("邮件内容构建完成。")
print(f"发件人: {msg['From']}, 收件人: {msg['To']}, 主题: {msg['Subject']}")
email_sent_successfully = False # 新增标志变量
try:
if SMTP_PORT == 587:
print(f"尝试通过端口 {SMTP_PORT} 连接到 SMTP 服务器: {SMTP_SERVER} (使用 STARTTLS)")
with smtplib.SMTP(SMTP_SERVER, SMTP_PORT, timeout=10) as server:
server.set_debuglevel(1) # 设置调试级别为1，打印SMTP交互日志
print("SMTP 服务器连接成功。")
print("尝试启动 TLS...")
server.starttls(context=ssl.create_default_context())
print("TLS 启动成功。")
print(f"尝试使用用户 {SMTP_USERNAME} 登录...")
server.login(SMTP_USERNAME, SMTP_PASSWORD)
print("SMTP 登录成功。")
print(f"尝试发送邮件从 {SENDER_EMAIL} 到 {to_email}...")
server.sendmail(SENDER_EMAIL, to_email, msg.as_string())
print(f"邮件发送成功至 {to_email}!")
email_sent_successfully = True # 设置标志为True
elif SMTP_PORT == 465:
print(f"尝试通过端口 {SMTP_PORT} 连接到 SMTP 服务器: {SMTP_SERVER} (使用 SSL/TLS)")
context = ssl.create_default_context()
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
with smtplib.SMTP_SSL(SMTP_SERVER, SMTP_PORT, context=context, timeout=10) as server:
server.set_debuglevel(1) # 设置调试级别为1，打印SMTP交互日志
print("SMTP_SSL 服务器连接成功。")
print(f"尝试使用用户 {SMTP_USERNAME} 登录...")
server.login(SMTP_USERNAME, SMTP_PASSWORD)
print("SMTP 登录成功。")
print(f"尝试发送邮件从 {SENDER_EMAIL} 到 {to_email}...")
server.sendmail(SENDER_EMAIL, to_email, msg.as_string())
print(f"邮件发送成功至 {to_email}!")
email_sent_successfully = True # 设置标志为True
else:
print(f"错误：不支持的端口 {SMTP_PORT}。目前只支持 465 (SSL) 和 587 (STARTTLS)。")
# email_sent_successfully 保持为 False
except smtplib.SMTPAuthenticationError:
print("认证失败：请检查 .env 文件中的 SMTP_USERNAME 和 SMTP_PASSWORD。对于 QQ 邮箱，请确保使用的是授权码而非登录密码。")
except smtplib.SMTPConnectError as e:
print(f"连接失败：请检查 SMTP_SERVER 地址、SMTP_PORT 端口是否正确，以及网络防火墙设置。错误详情: {e}")
except smtplib.SMTPServerDisconnected as e:
print(f"SMTP 服务器意外断开连接。错误详情: {e}")
except smtplib.SMTPException as e:
print(f"SMTP 协议错误：{e}")
except Exception as e:
print(f"发生未知错误: {e}")
finally:
print("--- 邮件发送测试流程结束 ---")
return email_sent_successfully # 根据标志变量返回最终结果
if __name__ == "__main__":
test_to_email = "geqintan@qq.com"
test_subject = "SuperProxy 测试邮件"
test_body = "这是一封来自 SuperProxy 的测试邮件。"
success = test_send_email(test_to_email, test_subject, test_body)
if success:
print("测试邮件发送过程完成。请检查收件箱。")
else:
print("测试邮件发送过程失败。")
|