220 localhost.localdomain ESMTP Sendmail 8.14.7/8.14.7; Mon, 4 Nov 2024 00:21:32 +0900
250-localhost.localdomain Hello 224.151.38.128 [224.151.38.128], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
