220 cg-mx51.aams5.jp ESMTP Sendmail Switch-3.3.4/Switch-3.3.4; Sun, 14 Apr 2024 10:23:14 +0900
250-cg-mx51.aams5.jp Hello 224.43.17.184 [224.43.17.184], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE 31457280
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
