package mail import ( "crypto/tls" "crypto/x509" ) const ( certFilePath = "dummy-chain-cert.pem" keyFilePath = "dummy-child-key.pem" ) func getDummyCertificate() (*tls.Certificate, error) { keyPair, err := tls.LoadX509KeyPair(certFilePath, keyFilePath) if err != nil { return nil, err } keyPair.Leaf, err = x509.ParseCertificate(keyPair.Certificate[0]) return &keyPair, nil }