Postfix smtpd

220 vm-2b8a089d.na4u.ru ESMTP Postfix (Debian/GNU)
250-vm-2b8a089d.na4u.ru
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            6d:72:4a:ed:3a:de:32:9a:e5:bf:a4:96:6b:71:65:40:53:04:88:2e
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=a353d9d42cae
        Validity
            Not Before: Jul 28 06:13:14 2024 GMT
            Not After : Jul 26 06:13:14 2034 GMT
        Subject: CN=a353d9d42cae
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d5:cf:3c:ba:83:97:65:10:c2:f8:b5:df:37:55:
                    a5:ea:5f:87:02:8f:5c:dc:a4:ae:fa:89:e1:5b:58:
                    cd:cd:55:5f:92:e9:5d:f7:3e:e8:c0:aa:fa:96:ac:
                    64:77:ce:56:f9:4a:86:27:a2:02:e9:75:d8:ef:33:
                    aa:ae:1f:f2:96:f9:00:51:19:d1:51:01:be:6e:42:
                    60:97:22:a8:82:3e:1d:8c:2d:c0:97:b5:ac:8a:7b:
                    93:4a:66:ec:eb:fa:a2:e7:63:3a:45:f8:03:7b:46:
                    cf:6d:5c:f9:8e:58:69:17:90:6e:b6:a1:eb:f0:3c:
                    6a:e4:f5:68:10:13:81:54:6d:8f:06:15:24:31:56:
                    f8:ad:a9:79:58:7f:0e:70:00:0c:b9:71:87:19:6e:
                    b2:c8:57:2e:79:e7:21:b6:cc:76:d3:6b:5e:27:6e:
                    18:f9:4c:d9:bb:12:36:cd:57:cc:cc:ee:b2:aa:14:
                    a5:e0:19:4f:63:ff:57:21:30:7b:2f:62:72:80:ee:
                    e0:26:c9:1f:3e:e3:d3:e6:8c:dd:d1:8c:d5:95:31:
                    ad:36:d4:ae:de:df:71:90:41:25:fb:34:e6:b6:eb:
                    20:24:42:c3:06:80:7f:06:19:00:2f:63:64:61:e6:
                    37:91:20:e2:a6:29:d6:65:90:8f:b8:b1:0e:47:af:
                    15:13
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:a353d9d42cae
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        b1:d5:ab:d4:64:3f:06:f2:69:7b:57:ba:a1:51:20:f9:b7:a3:
        1a:95:43:39:f2:e0:05:c2:55:fa:dc:fb:eb:42:f0:6a:95:e4:
        f7:a2:64:b4:b0:4e:a5:b9:1f:71:ca:be:07:3c:b1:85:88:9a:
        96:02:c4:c0:77:3b:09:df:61:42:0c:c8:28:c0:39:87:5e:fe:
        8c:93:c3:fb:13:6c:8d:67:d7:36:2e:cc:94:7f:34:24:cd:76:
        60:6c:66:6f:bd:df:0a:68:5e:3a:95:f4:ed:ed:b0:93:94:1a:
        15:88:e7:98:54:22:fe:7b:14:b8:26:f9:e4:13:2f:d3:a0:e6:
        aa:bf:1c:c0:34:e5:3b:14:2f:03:73:04:90:3c:c1:99:dc:5a:
        d9:5c:89:cc:00:1b:cc:52:18:d5:31:44:37:b9:8c:f2:50:e8:
        db:ae:69:82:3f:58:9a:d3:f6:60:eb:3a:38:6e:21:91:0d:34:
        3b:fb:2f:00:56:70:04:5e:72:d7:84:d6:10:dc:2f:98:3a:cb:
        8e:44:6b:35:ba:fd:8d:5c:7c:27:6d:1e:24:02:5d:aa:e0:5b:
        71:36:88:92:e5:de:f3:e3:0b:9a:94:be:d6:02:80:48:49:03:
        c1:13:e5:8d:83:3f:9d:88:bf:49:c8:62:51:71:25:1b:1d:98:
        ea:a3:e3:48

A3:53:D9:D4:2C:AE
    Unknown