220 mailpot.garrows.com SMTP Server
CONNECT api.ip.pn:443 HTTP/1.1
Host: api.ip.pn
User-Agent: Mozilla/5.0
Connection: close
500 Syntax error [User-Agent: Mozilla/5.0]
500 Syntax error [CONNECT api.ip.pn:443 HTTP/1.1]
500 Syntax error []
500 Syntax error [Connection: close]
500 Syntax error [Host: api.ip.pn]