220 mx1-metz.centralesupelec.fr ESMTP server
250-mx1-metz.centralesupelec.fr
250-PIPELINING
250-SIZE 36700160
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 SMTPUTF8

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            c3:18:7f:e1:c4:0e:41:46:5b:8e:1e:27:96:80:ac:0c
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Organization Validation Secure Server CA
        Validity
            Not Before: Jun 17 00:00:00 2024 GMT
            Not After : Jun 17 23:59:59 2025 GMT
        Subject: C=FR, ST=\xC3\x8Ele-de-France, O=CentraleSupelec, CN=mx.centralesupelec.fr
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c7:67:4d:87:f8:d2:3a:63:1e:ae:68:8c:22:9d:
                    b3:14:4d:8f:17:28:43:0b:c5:10:07:5d:43:1b:2a:
                    fb:b2:93:1c:1e:e7:dd:0f:e0:c4:04:d3:90:03:ca:
                    c8:9d:87:82:c3:f9:3d:ae:fb:c6:15:36:ad:56:94:
                    8f:14:f6:ef:f8:f7:25:26:a1:13:48:ed:f2:7a:55:
                    fc:35:17:e9:bf:67:0a:ff:02:1a:da:3f:4a:38:cd:
                    e9:1c:66:96:d7:cb:8b:bc:af:9f:64:a2:1f:b9:d4:
                    e6:10:f4:1c:01:a4:a6:2a:60:11:bb:2e:dd:f0:16:
                    22:38:a3:b4:70:2a:7c:54:76:5a:02:30:a7:47:b6:
                    e7:db:f2:af:cd:94:dd:2c:17:9e:7a:3f:15:21:7e:
                    a6:bc:84:4c:41:42:46:20:06:4f:96:78:5f:70:8b:
                    9f:5c:d2:0c:c5:b8:da:1b:d2:43:67:e9:96:eb:62:
                    98:fa:07:c7:5b:84:26:9a:66:06:d3:b5:e8:b0:93:
                    d9:55:6f:57:aa:3e:d3:e3:28:cb:66:42:e5:70:1a:
                    72:44:78:00:2c:61:bb:2b:68:36:e7:f9:0e:23:0e:
                    d2:01:ed:b6:fc:11:a7:25:90:d4:10:48:fd:58:1a:
                    69:02:e4:15:08:52:d6:90:07:a8:67:de:1c:83:c5:
                    ee:c1
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                17:D9:D6:25:27:67:F9:31:C2:49:43:D9:30:36:44:8C:6C:A9:4F:EB
            X509v3 Subject Key Identifier: 
                94:65:A4:89:00:F8:3F:F9:C2:8C:B2:A8:8E:E8:AF:A8:F4:B5:9A:DA
            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: 1.3.6.1.4.1.6449.1.2.1.3.4
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.2
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://crl.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crl
            Authority Information Access: 
                CA Issuers - URI:http://crt.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crt
                OCSP - URI:http://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 : Jun 17 13:28:12.025 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:BE:82:05:A3:F4:D6:F6:96:49:4A:48:
                                62:A3:25:21:6A:6A:9A:41:A8:D8:E3:A1:10:85:C5:D9:
                                D4:98:FD:D1:F1:02:21:00:E3:2D:9D:0C:5F:18:60:4C:
                                57:9B:70:EB:AD:D6:D8:E7:70:20:CE:26:9C:B8:86:9C:
                                B0:20:1E:07:57:78:08:1D
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
                                D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
                    Timestamp : Jun 17 13:28:11.993 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:62:06:D6:14:E4:51:58:1D:EE:6A:C5:FC:
                                9E:B0:9A:8E:47:BA:3E:B4:E0:E6:2F:E7:2D:B4:70:01:
                                EB:56:55:72:02:21:00:DA:67:BF:A7:B7:E6:7B:20:4B:
                                DC:65:2D:0E:2A:86:1D:A8:3A:5A:67:18:D7:60:D0:55:
                                06:9C:6D:F9:52:7B:57
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
                                1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
                    Timestamp : Jun 17 13:28:11.993 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:BD:A5:C9:A3:EA:B1:7C:FD:61:04:FA:
                                5E:E9:EE:B7:4A:6E:68:F7:2F:AC:9B:99:D1:F0:DF:0E:
                                C4:52:BD:79:7C:02:20:37:58:6A:9D:AF:FB:46:79:2E:
                                85:AC:DF:7F:BB:70:0C:FB:66:49:3E:3B:B5:28:3E:A2:
                                8F:99:35:78:7C:6C:E5
            X509v3 Subject Alternative Name: 
                DNS:mx.centralesupelec.fr, DNS:mx1-metz.centralesupelec.fr, DNS:mx1-rennes.centralesupelec.fr, DNS:mx1-saclay.centralesupelec.fr, DNS:mx2-metz.centralesupelec.fr, DNS:mx2-rennes.centralesupelec.fr, DNS:mx2-saclay.centralesupelec.fr
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        38:be:26:c6:e7:91:f6:0e:9d:39:dc:b3:c2:ee:55:4c:08:b5:
        04:17:5b:e6:9f:77:a7:db:16:4b:ea:ac:63:bd:d5:f9:f9:8c:
        71:17:0b:3f:99:7e:94:9f:2f:57:f0:f0:12:49:b8:a2:8c:f4:
        07:d1:9d:9f:84:87:03:6f:35:c6:42:0e:fd:12:fd:bb:26:a4:
        54:42:fd:b1:c5:2e:87:5c:d1:7b:fb:65:73:b6:9b:f2:f3:8a:
        cd:f9:73:cd:df:76:d1:61:65:62:f8:ec:7a:f3:05:a3:3d:8e:
        12:4d:35:41:14:a8:e3:da:21:57:20:41:71:87:4a:7e:c7:93:
        3f:a1:27:4d:55:13:ae:7c:a9:6d:33:49:8b:df:80:e9:27:c9:
        fc:4d:e9:41:1b:08:86:26:09:28:ec:be:3d:b5:4b:19:34:a3:
        39:fc:0d:9d:2d:ba:c7:e7:e9:50:c1:20:7f:c9:d4:a8:2b:fe:
        5f:45:98:e3:25:20:3b:2b:be:dc:f3:bf:80:ce:c4:a4:57:a7:
        74:73:78:99:56:ae:00:be:f3:4f:c9:6b:21:1c:3b:0d:be:0f:
        2d:50:12:4a:f1:22:d3:3f:a4:10:75:eb:f6:79:06:b5:b0:39:
        84:dc:70:d2:56:33:9e:8d:57:bc:39:6f:dc:91:43:27:9e:e7:
        8e:8b:68:46