Postfix smtpd

220 rmnt.ru ESMTP Postfix (Debian/GNU)
250-rmnt.ru
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

NTP
protocolversion: 3
stratum: 2
leap: 0
precision: -23
rootdelay: 0.00665283203125
rootdisp: 0.0278015136719
refid: 3267274753
reftime: 3922891000.42
poll: 3

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            56:f7:5a:68:5d:a1:0b:63:0b:be:8a:fb:b5:60:64:b8:59:b9:18:79
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=localhost
        Validity
            Not Before: Mar  4 16:27:17 2023 GMT
            Not After : Apr  3 16:27:17 2023 GMT
        Subject: CN=localhost
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:af:ca:59:7c:1a:26:fe:2d:9e:aa:9e:fa:fa:32:
                    a3:9b:f2:bc:9d:09:1e:7c:3b:19:3d:0b:34:23:ff:
                    29:46:74:56:a7:47:55:a5:10:39:1d:82:7a:c1:65:
                    81:bb:73:c2:f3:1a:6b:8f:cd:a6:4b:e8:99:49:c8:
                    b8:da:fb:33:6e:37:92:c1:78:80:7c:e4:80:c6:e1:
                    d2:2f:61:24:f5:a8:91:66:9e:a3:c8:3c:39:70:11:
                    84:45:23:8e:f2:93:94:25:2e:38:a3:1d:78:e8:b4:
                    59:18:1a:c2:23:cc:6a:76:ca:87:1a:0d:44:4a:7d:
                    0c:11:12:57:08:10:55:fc:22:34:c9:0f:16:82:c0:
                    a2:d7:be:e2:4a:66:14:05:8b:c1:70:5a:71:aa:d7:
                    0f:07:a4:0f:79:34:05:b6:ba:e6:e7:a2:19:a1:b5:
                    6e:e2:b5:92:92:19:92:65:f3:7f:24:fb:45:18:02:
                    0b:00:87:b7:4a:58:a0:44:92:10:be:03:d2:90:f3:
                    12:37:02:86:54:25:03:55:22:8c:b2:d8:9a:87:0f:
                    5a:de:ea:84:aa:91:60:06:cf:ff:15:79:18:70:b7:
                    12:37:a0:0c:7b:85:6d:5e:70:53:aa:79:6e:6d:8b:
                    42:5b:91:28:88:64:66:80:1c:13:dc:fb:d3:dc:b6:
                    f6:f7
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Alternative Name: 
                DNS:localhost
            X509v3 Key Usage: 
                Digital Signature
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        54:07:3a:d7:6a:ac:d5:31:67:ca:c5:7a:fa:ee:cc:c9:56:05:
        70:7b:0c:7f:6b:fd:9c:4f:2e:de:ba:3c:ec:5d:e9:15:15:41:
        8a:fc:21:ce:5a:fb:dd:08:d3:af:5f:56:d5:d9:ba:2d:aa:09:
        b4:4f:ce:97:e6:e2:d7:53:04:6b:30:f7:0f:f3:e1:36:3b:24:
        85:44:66:7c:31:b1:bf:af:d5:ce:ba:49:63:d3:11:7d:07:60:
        6d:3a:9a:58:b5:ae:f9:eb:3a:d0:80:c1:7e:1b:b8:7c:1d:8f:
        e6:f6:af:85:ab:16:4d:cc:32:f6:35:6e:1a:14:fb:86:f5:8d:
        0b:da:cf:d3:cb:64:39:c5:58:eb:bd:fa:6a:07:1e:77:62:b0:
        60:01:2b:ef:0b:74:b9:af:04:9f:cc:db:01:e4:6b:6e:eb:6e:
        8e:9c:a7:8c:1d:fe:95:7e:79:f4:8c:5e:38:39:cb:07:72:08:
        06:ff:34:90:14:86:55:3d:64:0d:02:8e:d1:74:e7:5d:15:d0:
        51:e9:7d:9d:e6:d0:8b:ae:10:69:11:af:b2:54:5e:aa:bd:4c:
        cf:7e:ca:4f:08:d1:fc:0b:c2:13:ff:a5:fc:9b:12:ca:e8:6b:
        c5:f1:d0:df:70:4a:34:3b:3b:a2:93:59:d4:95:6f:bb:39:60:
        98:c0:d1:4d