220 mailpot.garrows.com SMTP Server
GET / HTTP/1.1
Host: 110.20.235.68:25
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: */*
Accept-Encoding: gzip
500 Syntax error [Accept: */*]
500 Syntax error [Accept-Encoding: gzip]
500 Syntax error []
500 Syntax error [User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0]
500 Syntax error [Host: 110.20.235.68:25]