Postfix smtpd

220 dubiously.angeljewelstone.com ESMTP Postfix
250-dubiously.angeljewelstone.com
250-8BITMIME
250-STARTTLS
250 Ok

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:77:91:98:a3:47:b1:df:37:44:81:ce:ca:eb:76:d6
        Signature Algorithm: ecdsa-with-SHA384
        Issuer: C=AT, O=ZeroSSL, CN=ZeroSSL ECC Domain Secure Site CA
        Validity
            Not Before: Nov 17 00:00:00 2024 GMT
            Not After : Feb 15 23:59:59 2025 GMT
        Subject: CN=dubiously.angeljewelstone.com
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:97:7f:6a:03:eb:04:e7:4d:10:9c:1b:37:a1:9b:
                    98:49:9f:60:be:ae:e6:7e:d8:b4:f0:1e:ae:65:e9:
                    da:02:a5:4f:77:f3:60:51:cf:ea:47:01:4d:eb:0b:
                    df:b5:7c:c1:c6:81:78:ef:04:15:ad:c3:6c:31:cc:
                    2a:da:3c:7e:61
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                0F:6B:E6:4B:CE:39:47:AE:F6:7E:90:1E:79:F0:30:91:92:C8:5F:A3
            X509v3 Subject Key Identifier: 
                3A:24:D9:2A:13:6B:2E:8F:49:FD:E5:5C:95:A8:A1:12:A9:09:D9:64
            X509v3 Key Usage: critical
                Digital Signature
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.6449.1.2.2.78
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1
            Authority Information Access: 
                CA Issuers - URI:http://zerossl.crt.sectigo.com/ZeroSSLECCDomainSecureSiteCA.crt
                OCSP - URI:http://zerossl.ocsp.sectigo.com
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
                                1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
                    Timestamp : Nov 17 06:52:02.114 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:1E:76:4D:7B:AD:C0:02:E8:1F:AA:04:77:
                                94:70:3A:93:95:2D:31:49:F8:F4:E2:28:E1:57:E0:A5:
                                88:5F:87:EE:02:20:5D:22:88:24:B5:DF:CA:CD:FC:B6:
                                C5:E2:0E:C7:F0:1C:78:0A:DD:DA:F4:21:30:40:17:5D:
                                2E:D1:E8:B3:04:F0
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
                                22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
                    Timestamp : Nov 17 06:52:02.130 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:1B:58:59:72:85:C4:CD:F8:BE:9A:1F:11:
                                31:C9:B6:CE:A0:55:DB:84:1B:AD:1C:07:9E:06:DF:4E:
                                2B:E9:71:EA:02:21:00:83:B2:8D:3D:C9:E7:AF:6A:E0:
                                41:4C:8E:79:38:1F:E1:1E:AE:25:08:70:DB:61:E4:CD:
                                78:97:A2:3E:7C:6E:04
            X509v3 Subject Alternative Name: 
                DNS:dubiously.angeljewelstone.com
    Signature Algorithm: ecdsa-with-SHA384
    Signature Value:
        30:64:02:30:78:84:e6:77:d0:1e:5b:16:be:82:b6:f4:02:15:
        3c:6d:83:18:2a:eb:f0:02:5e:3f:6b:0d:eb:94:38:c4:03:c3:
        db:59:b9:af:02:e7:d4:8f:82:70:a7:8f:6a:26:60:62:02:30:
        54:b0:16:23:bb:a7:92:55:95:d9:23:fe:03:79:c1:6b:67:0d:
        15:11:bc:0c:3d:36:67:41:59:5a:a7:39:1d:e2:e0:7b:55:22:
        91:1e:35:01:e5:01:a0:85:bf:18:26:37