9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9
Resolver name: dv002.qualia.ne.jp

220 dv002.qualia.ne.jp ESMTP unknown
250-dv002.qualia.ne.jp
250-PIPELINING
250-SIZE
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
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250 CHUNKING

220 dv002.qualia.ne.jp ESMTP unknown
250-dv002.qualia.ne.jp
250-PIPELINING
250-SIZE
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING