Postfix smtpd

220 mx.mailprotect.be ESMTP Postfix - Speech is not free when it comes postage due!
250-mx.mailprotect.be
250-PIPELINING
250-SIZE 102400000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            67:39:26:ec:c9:63:12:5a:a7:4d:df:f5:78:9c:f1:fd
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
        Validity
            Not Before: Sep 23 00:00:00 2023 GMT
            Not After : Oct 21 23:59:59 2024 GMT
        Subject: CN=*.mailprotect.be
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d8:b0:dc:ac:f4:d7:e2:cb:4a:44:f7:62:9e:59:
                    db:dd:83:2f:93:a1:54:5d:4e:32:ed:57:05:a2:32:
                    4f:25:42:ca:30:21:25:10:92:e8:2e:b1:32:ad:43:
                    7d:ba:62:e5:8e:b2:7f:bc:9b:06:8a:1e:9c:2a:3a:
                    9c:b9:c3:0e:2f:c8:d8:ea:c6:24:36:47:aa:1d:dc:
                    5d:a0:9d:53:68:aa:a3:d1:f1:26:e0:56:e4:3c:e4:
                    6b:0b:c4:57:3f:80:a6:8b:9a:1e:05:00:d7:10:bc:
                    d0:92:80:67:a8:37:0b:ea:14:21:d2:52:7b:4c:90:
                    1f:34:95:53:cf:42:ff:0c:3c:f0:a3:0b:72:9c:09:
                    92:e0:6e:ca:0f:c1:4b:fb:a1:7a:39:f9:bf:61:d7:
                    a4:f6:9b:a0:91:12:79:18:fa:ae:a4:ac:1e:f3:fd:
                    7d:29:43:bc:b5:16:11:8e:dd:bb:ee:87:28:90:e2:
                    26:9c:bf:e8:49:30:cd:f8:43:6a:3e:f9:63:f6:1b:
                    bb:3a:97:4a:ab:d3:87:65:82:31:98:38:96:35:51:
                    e3:55:c4:26:2b:f6:7c:ed:0e:44:63:59:48:97:f3:
                    af:90:d0:c3:e1:17:16:20:9b:4d:d2:1c:72:aa:ec:
                    17:76:01:e6:b2:14:9b:ce:6f:07:00:c2:fe:63:24:
                    61:e7
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
            X509v3 Subject Key Identifier: 
                E0:E8:6D:D4:16:03:4B:E5:55:D5:47:C4:7D:D4:4F:76:89:DE:73:2C
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.6449.1.2.2.7
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1
            Authority Information Access: 
                CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
                OCSP - URI:http://ocsp.sectigo.com
            X509v3 Subject Alternative Name: 
                DNS:*.mailprotect.be, DNS:mailprotect.be
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
                                B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
                    Timestamp : Sep 23 22:19:08.119 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:60:BB:EC:F3:0A:98:B3:6C:6A:08:E1:C9:
                                95:27:8A:15:6B:02:F6:01:92:FC:DE:D4:F7:BB:BF:38:
                                6E:01:1D:C3:02:21:00:89:C8:8E:EA:88:32:76:D3:3B:
                                98:2B:99:F4:43:59:F9:3F:9B:B2:A6:C9:62:88:54:6F:
                                8C:8E:64:D7:05:D6:80
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
                                91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
                    Timestamp : Sep 23 22:19:08.212 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:EE:6A:E7:08:07:D3:F6:3F:D1:43:9D:
                                AC:12:55:03:15:A0:13:B3:C6:C5:32:3F:BF:C0:B5:E7:
                                34:DD:D2:49:72:02:21:00:E2:58:BE:16:C0:C8:3A:2D:
                                2A:14:CF:E8:FC:42:8B:86:13:06:50:80:D5:B8:30:E7:
                                F8:0F:09:07:4C:AC:80:65
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
                                32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
                    Timestamp : Sep 23 22:19:08.166 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:D4:31:05:6A:91:64:6B:BE:FA:F9:3B:
                                AB:02:07:A0:70:D2:96:8F:16:46:B4:FA:85:01:F8:FE:
                                B9:15:D1:14:8E:02:20:59:41:39:EF:28:B0:CD:EA:30:
                                D4:F3:9B:95:C0:1E:34:BE:2E:F7:70:9A:D3:39:54:24:
                                14:35:8F:E6:6E:41:35
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        58:93:63:b2:dc:ca:03:64:c8:b3:ee:eb:cb:c8:5b:4e:23:d9:
        57:d0:4f:8b:d1:45:12:57:59:01:85:30:51:f3:65:58:8d:8f:
        05:e3:12:3d:ad:1d:cb:e6:ea:51:d7:2b:c1:4c:1c:ab:71:c2:
        21:00:50:a9:47:79:4d:f0:19:d6:f4:ec:ae:29:f2:db:01:79:
        a8:34:94:f8:21:61:b7:7f:70:02:0f:2b:f8:ec:32:41:c6:15:
        d4:2b:45:70:95:c0:5d:b1:65:99:0e:3c:54:98:1b:7e:7c:f1:
        7d:74:60:bf:9f:14:6e:cb:81:1f:31:89:f4:5e:96:d0:59:2f:
        88:b9:b0:a6:d8:d3:a9:73:c2:81:a1:a5:03:7d:bc:4e:a5:18:
        ff:6f:37:8a:91:0d:70:eb:fd:57:fe:bb:7d:cb:a6:87:51:14:
        1b:49:44:b1:7b:7c:fa:ed:b6:ab:f9:d5:7d:e3:44:66:c8:c5:
        fe:70:77:29:67:29:d0:0a:e0:34:cd:f7:4b:37:13:7e:22:9d:
        c2:1f:48:80:fa:ea:1f:48:61:d1:6b:52:82:b9:ca:5b:0f:d5:
        03:a1:26:b4:57:aa:13:26:6c:aa:11:87:f5:b8:c7:ea:19:67:
        b2:1e:0d:0b:9d:1e:28:72:5b:94:be:b8:ad:fb:86:0a:c1:d7:
        83:fa:a8:97