二進制打包后
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/TroubleshootingSMTP server error: Failed to connect to server
不打包沒問題
curl.cainfo = /etc/pki/tls/certs/ca-bundle.crt
openssl.cafile=/etc/pki/tls/certs/ca-bundle.crt
把這里改掉試試,還是不行就看看你服務器php.ini這兩個值是多少,抄過去