我正在打电话 curl -v ... https://... 并且详细输出包含 .... * ALPN, offering http/1.1 * SSL connection using TLS1.2 / ECDHE_RSA_AES_128_GCM_SHA256 * server certificate verification OK .... * ALPN, server did not agree to a protocol * Server auth using Basic with user 'api' > POST /v3/pindertek.com/messages HTTP/1.1 > Host: api.mailgun.net > Authorization: …