Postfix smtpd

220 tgbctdxtn.bgwxbwjccxnaxy.com.br ESMTP Postfix (Ubuntu)
250-tgbctdxtn.bgwxbwjccxnaxy.com.br
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            5b:b5:c1:70:3b:03:8a:13:ac:95:08:30:e5:e0:aa:08:80:34:b4:91
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=ubuntu-s-6vcpu-8gb-sfo28-70
        Validity
            Not Before: May 21 12:45:21 2024 GMT
            Not After : May 19 12:45:21 2034 GMT
        Subject: CN=ubuntu-s-6vcpu-8gb-sfo28-70
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d1:40:60:6b:f2:af:27:10:59:96:a0:fc:75:a7:
                    ec:ed:39:d6:5b:87:26:37:ac:f8:44:ec:a7:30:2e:
                    fe:79:3f:68:21:cd:51:77:82:03:c7:e9:13:6e:93:
                    c0:fe:3b:94:5a:16:51:60:95:24:78:fa:f8:ae:a8:
                    5d:64:8d:ee:f0:cc:4d:49:b9:25:1c:eb:d1:37:9f:
                    d6:aa:2a:f2:e0:83:17:49:13:1d:af:40:d3:79:d5:
                    90:70:e2:68:db:ca:6b:87:71:e5:28:8d:11:c8:95:
                    a8:93:8b:86:8f:08:62:41:71:2e:96:37:1f:bf:f8:
                    7f:65:3f:e5:ba:40:88:b0:b5:52:33:9e:01:ad:32:
                    7c:ce:ee:44:ee:6a:f7:09:53:78:dc:cc:8e:d4:74:
                    8b:32:25:56:c0:63:4c:5d:c5:92:ec:e7:34:f8:bd:
                    a2:be:96:48:26:6a:26:ab:55:0a:f2:71:1d:ec:b7:
                    1c:66:b7:da:9e:02:50:98:00:cb:36:be:44:56:b8:
                    9e:c7:dd:bc:cf:bf:1f:df:02:70:e8:cc:3e:0d:d3:
                    93:37:8f:cc:86:f3:ea:1f:6b:cb:45:4b:a8:31:f9:
                    56:83:3e:c3:e3:d9:48:e8:c8:c8:43:97:21:0b:3f:
                    2d:3e:6e:09:7e:71:26:c7:58:28:cc:bc:59:65:63:
                    5b:6f
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:ubuntu-s-6vcpu-8gb-sfo28-70
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        11:5b:80:3a:b4:79:b9:84:62:51:64:52:a7:54:69:9f:95:df:
        f6:82:ce:3a:a7:44:13:b1:54:f7:ba:c1:ba:dd:5e:77:93:06:
        20:a6:f1:e9:fb:8b:1e:33:21:d7:29:f3:80:96:6c:94:2b:68:
        1a:89:43:42:48:4b:56:de:1a:cc:b5:64:a5:a9:98:38:1d:35:
        92:c2:c1:c1:c6:32:20:82:ce:28:6d:b8:3c:24:40:ec:03:28:
        6f:ae:04:42:91:60:3a:52:3b:5e:64:52:0d:f9:4c:45:8b:24:
        84:29:f9:59:f6:dc:34:e6:8a:46:cf:00:fe:5e:06:38:7c:9f:
        0b:c7:ab:40:99:3d:99:ce:6d:70:e3:c1:79:09:63:a7:92:62:
        ba:c8:74:b1:c4:75:d9:5e:10:ed:7b:83:b6:b1:2b:e3:8d:c6:
        ea:64:72:47:54:f5:df:80:07:3a:8c:e4:f3:e3:1c:1d:03:92:
        c1:8d:c4:46:de:a3:52:23:22:d9:6b:d8:b6:c7:4c:3f:54:79:
        44:22:ed:b4:8a:93:7c:f0:e2:62:2a:1c:24:b3:a9:c7:c1:65:
        94:5a:99:80:85:52:01:da:70:c1:83:e3:1f:8e:81:52:08:60:
        bc:c1:11:74:49:f2:e0:b2:dc:ca:b2:50:d1:79:b4:7b:8c:ee:
        de:d2:ee:e8

VPN (IKE)

Initiator SPI: 70636a77396f6738
Responder SPI: 3575646579776d33
Next Payload: RESERVED
Version: 2.0
Exchange Type: DOI Specific Use
Flags:
    Encryption:     False
    Commit:         False
    Authentication: False
Message ID: 00000000
Length: 36