ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate

关于django emial 在正式环境下报以下错误

ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate

这是证书缺失，解决方法：

pip install certifi

在settings.py 中加入

import certifi, os
os.environ[‘SSL_CERT_FILE’] = certifi.where()