我使用免费的SSL加密（默认情况下，我的主机提供商支持它），我在sslshopper.com（唯一的警告是：）The certificate is not trusted in all web browsers. You may need to install an Intermediate/chain certificate to link it to a trusted root certificate. Learn more about this error. The fastest way to fix this problem is to contact your SSL provider.
和https://www.geocerts.com/ssl_checker中检查了我的网站，
结果是我的网站通过了除以外的所有测试Certificate Chain Complete。所以我不认为问题出在证书上，电报据我所知接受自签名证书。
我尝试在https://core.telegram.org/bots/samples/hellobot上使用电报示例bot，设置Webhook URL后，在https://api.telegram.org/bot[my -token] / getWebhookinfo
结果是：
{
"ok": true,
"result": {
"url": "https://itest.gigfa.com/tlg1/tlg1.php",
"has_custom_certificate": false,
"pending_update_count": 17,
"last_error_date": 1521140994,
"last_error_message": "SSL error {337047686, error:1416F086:SSL routines:tls_process_server_certificate:certificate …