메일로그 중에서 아래와 같은 내용이 많이 생깁니다.
발생하는 원인과 해결책에 대한 조언 부탁드립니다.
 g7EI0tk21514: lost input channel from [211.106.37.226] to MTA after rcpt
g7EI4Ck21518: lost input channel from [211.204.5.75] to MTA after mail
g7EI5xk21528: lost input channel from [211.119.131.68] to MTA after rcpt
NOQUEUE: [211.189.26.144] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
NOQUEUE: [211.189.26.144] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
 감사합니다.