220 undefined ESMTP Sendinblue SMTP 2.0
250-sendinblue_returnpath at your service, [224.245.4.108]
250-8BITMIME
250-ENHANCEDSTATUSCODES
250 STARTTLS

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            8c:0f:f0:50:5b:24:ea:90:a1:bf:03:58:5b:af:ac:94
        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: Oct 28 00:00:00 2024 GMT
            Not After : Nov 28 23:59:59 2025 GMT
        Subject: CN=*.sendinblue.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:af:85:af:71:cc:1a:7f:65:ed:77:3e:aa:aa:b9:
                    8f:85:28:df:8f:1f:9d:b2:03:80:a0:89:ea:1a:7c:
                    30:3e:26:ad:5f:ef:cf:18:42:d3:e8:7c:d0:60:3b:
                    a5:75:05:f7:1a:2c:33:ef:ec:43:32:c5:6d:dc:ff:
                    5a:07:5a:b0:15:11:d1:96:a1:59:4f:de:7a:b6:c2:
                    95:d4:ee:f9:0e:24:25:82:da:f3:47:7f:ae:43:d8:
                    0d:52:e2:e6:be:e3:50:4d:e9:80:8c:e2:73:39:57:
                    24:ec:21:e7:7e:46:c0:72:9b:7a:a3:4c:4c:26:4b:
                    63:8a:2e:3b:6e:5e:25:c3:3d:dd:21:75:c6:1c:77:
                    b9:df:77:27:31:d8:c8:1f:43:9f:76:91:70:f5:80:
                    c3:67:16:59:6b:69:a6:e4:b7:aa:09:73:22:32:21:
                    63:6f:ec:ec:a9:96:79:40:a2:43:94:60:21:03:61:
                    45:38:1a:9f:3f:e9:fa:a2:3b:dc:03:c9:c0:01:28:
                    02:d6:e7:c3:6d:b0:f3:60:a5:60:c3:39:c9:3f:4b:
                    25:14:83:6c:6f:73:3a:12:59:82:c1:46:7d:b7:0e:
                    91:f1:1b:fd:3f:3a:93:dd:d1:5c:10:44:68:cf:bb:
                    ea:c7:08:ab:73:64:5b:63:c2:1b:85:c9:9d:ab:cb:
                    ff:7d
                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: 
                DD:C2:64:7E:4F:12:EA:5F:48:43:4A:A5:D0:46:C1:8B:EA:6D:60:6B
            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:*.sendinblue.com, DNS:sendinblue.com
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
                                3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
                    Timestamp : Oct 28 15:12:45.519 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:F5:FD:D3:61:7C:AD:1F:5C:A0:64:5A:
                                6E:F5:4F:B3:DE:A0:38:9D:D6:77:8F:31:C9:30:43:47:
                                BE:5E:E9:92:91:02:20:23:F7:CA:CA:68:C2:CC:FF:EF:
                                CA:E9:0F:90:03:D2:6B:53:D8:43:C4:D8:F7:CB:8F:5C:
                                5F:41:52:F6:B9:85:B6
                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 : Oct 28 15:12:45.441 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:5A:B2:AA:67:43:64:DC:4C:C9:DB:2F:73:
                                E8:8C:15:FC:AF:8B:3B:55:EE:43:08:21:12:CF:68:36:
                                8C:A9:D8:81:02:20:26:4E:24:89:DC:CF:4F:3D:78:0E:
                                00:9F:4C:46:96:CB:DA:1F:AF:8D:C6:55:38:84:84:A0:
                                E2:56:FE:1D:A4:9A
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
                                F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
                    Timestamp : Oct 28 15:12:45.397 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:E6:BE:38:36:DE:A4:6E:89:28:94:E6:
                                04:56:D1:F1:3B:FF:21:47:9E:46:45:B6:79:D1:F5:13:
                                D4:D1:9D:A0:1A:02:20:15:54:64:BF:67:15:C1:F1:1C:
                                9E:DC:6E:D9:18:7C:F9:0F:27:C8:42:D3:25:31:57:FF:
                                A1:3A:95:45:B3:D9:51
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        55:7d:c1:28:22:ea:fb:02:c3:58:67:6b:5e:20:b2:a9:84:bd:
        90:93:72:a3:84:82:ec:bc:af:52:b4:12:56:b0:74:1a:cc:69:
        ab:d8:13:57:18:fb:db:a4:8d:f7:bb:64:d9:0c:06:25:7a:e4:
        90:75:68:6a:76:76:aa:80:82:c4:82:80:b9:79:a3:25:1d:e0:
        38:10:7f:b0:44:4b:11:92:fb:00:64:8e:9f:68:48:c1:1f:af:
        92:86:55:ff:b6:8d:04:79:49:9b:f1:a9:8a:4a:ba:fe:de:02:
        c7:0a:a7:49:d4:c9:8f:c1:da:b8:24:fb:2e:64:95:bc:84:a3:
        af:86:61:ac:e5:00:b4:09:16:84:2c:4f:31:ad:ed:2b:23:4a:
        60:3d:b1:36:eb:2c:df:2a:ba:1b:db:bc:b4:3d:b5:91:84:18:
        4a:21:25:6c:ea:40:fd:11:51:9f:68:00:76:1e:88:95:b2:6f:
        9e:92:2a:b0:1f:7e:25:8f:42:ce:a0:5f:d0:e6:7a:f7:6a:52:
        df:a6:fc:7f:56:36:4a:4c:3f:dd:c7:9a:7a:4e:64:d0:ed:c3:
        c7:3f:96:53:63:29:88:c7:ea:43:16:41:b9:94:9d:16:0b:ff:
        a0:f2:7c:0c:c1:90:36:92:b3:e3:15:1a:fb:bc:9e:7e:a7:2b:
        e0:a9:2a:f0