220 f4mail-234-161.rediffmail.com ESMTP
250-f4mail-234-161.rediffmail.com
250-STARTTLS
250-PIPELINING
250 8BITMIME

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            02:5c:f1:ab:ce:f4:1a:6a:fc:9b:d8:55:60:74:00:c9
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
        Validity
            Not Before: Oct 13 00:00:00 2023 GMT
            Not After : Oct  2 23:59:59 2024 GMT
        Subject: C=IN, ST=Maharashtra, L=Mumbai, O=Rediff. com India Limited, CN=*.rediffmail.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:b6:0f:83:af:6f:c7:4d:9d:2d:e8:d5:80:23:97:
                    3c:24:61:ba:fb:d0:28:f9:2d:f2:36:49:f1:86:e4:
                    4a:18:9d:54:73:01:83:a0:af:48:e6:a0:b7:e7:6f:
                    18:8f:69:32:83:34:39:57:bb:6d:88:84:35:dd:30:
                    60:97:0c:d4:ae:69:9e:a3:78:bf:56:05:12:66:37:
                    4b:0b:c9:79:14:2f:03:af:f8:7d:1e:4f:59:21:c7:
                    5f:81:1f:15:b8:b0:7a:ca:f5:22:6e:c6:fb:a6:d7:
                    56:2e:41:48:e2:4a:6d:ef:45:73:27:db:91:58:57:
                    09:29:c8:97:27:54:b8:1c:35:78:70:88:98:51:4f:
                    cf:5f:c4:85:98:8c:0d:2f:d9:ae:39:01:b7:a6:72:
                    b0:3d:36:07:cf:6e:1a:82:ec:57:1d:51:54:af:2c:
                    a6:a7:b5:f3:9c:19:31:3a:f4:be:36:47:20:d2:6d:
                    21:d3:44:ac:b3:bc:bc:ec:73:5c:f7:44:6f:3f:ad:
                    d1:eb:32:47:db:cd:54:c2:5f:18:99:bd:9a:42:3b:
                    6a:2f:2c:dd:20:96:c2:44:9b:59:38:56:00:ad:25:
                    c9:b1:2c:65:30:81:33:4b:2e:8a:19:48:58:2e:f2:
                    00:78:47:fb:ed:1d:e3:c7:43:36:96:a8:c3:0a:8a:
                    00:e5
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
            X509v3 Subject Key Identifier: 
                AA:C4:5E:65:C5:F6:9E:E0:82:62:45:DB:7A:21:B3:3B:40:9A:3C:20
            X509v3 Subject Alternative Name: 
                DNS:*.rediffmail.com, DNS:rediffmail.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.2
                  CPS: http://www.digicert.com/CPS
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
                Full Name:
                  URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
            Authority Information Access: 
                OCSP - URI:http://ocsp.digicert.com
                CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
            X509v3 Basic Constraints: critical
                CA:FALSE
            CT Precertificate SCTs: 
                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 : Oct 13 10:20:56.342 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:74:63:CB:78:5C:B6:2C:53:21:52:5C:E8:
                                87:17:A7:E3:A3:EC:88:10:40:FB:AB:18:17:AE:99:03:
                                9B:F0:09:55:02:21:00:E4:C1:4E:CA:8C:5D:EF:9C:6E:
                                C8:5B:34:94:28:0E:69:58:4D:82:96:5B:3B:ED:CB:E2:
                                D5:88:54:B8:16:63:91
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
                                1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
                    Timestamp : Oct 13 10:20:56.336 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:80:A0:A5:39:2D:CA:04:FE:8B:A9:A7:
                                BB:7E:E2:21:44:FE:13:2F:01:4A:78:DA:80:7A:D4:75:
                                BE:7D:FD:79:70:02:20:38:68:C9:94:07:47:08:B5:B3:
                                5F:6D:B3:6C:1D:46:E5:35:3F:0E:F7:25:F4:34:A3:D0:
                                97:1B:0C:5D:21:2C:BC
                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 : Oct 13 10:20:56.331 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:A5:FB:5F:21:17:1A:F7:AE:0B:43:7C:
                                AA:19:DE:B5:95:CF:B3:7C:DC:05:BE:74:5E:E1:86:C0:
                                8F:DA:D4:E5:1A:02:21:00:DE:71:91:E5:C2:7B:2E:3E:
                                C6:E7:5D:06:C7:1B:D0:8A:0E:A9:1F:E4:80:8D:0C:E6:
                                7C:E5:2A:DF:6C:8F:D1:DC
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        a1:ab:00:66:f7:36:d0:cc:ee:c4:f8:f5:bf:5e:a9:72:04:fa:
        93:df:5e:cf:64:63:88:fa:e1:f1:da:fa:ed:3e:0b:6a:84:5d:
        85:04:8a:e9:83:61:db:84:21:27:35:a5:08:aa:76:53:e2:28:
        21:a5:3e:54:a3:75:11:da:74:f4:49:82:b4:63:a6:ff:b6:4e:
        54:74:d0:2a:d3:76:77:ec:ee:ea:c7:12:53:fc:04:08:63:b0:
        5e:34:d0:c7:24:8c:5e:10:48:09:7f:53:5f:93:09:6b:4c:b3:
        a6:f0:49:59:c3:04:b1:0d:7c:5c:f0:f6:66:8b:ba:a5:ba:0c:
        4d:c2:4b:73:2a:ca:e6:6b:b4:71:b8:05:b8:6e:2e:25:26:a1:
        e8:ab:4c:d4:fb:d9:6e:08:ec:46:e5:10:77:1d:5a:5b:46:31:
        85:4e:93:1a:e1:87:7f:a5:ed:be:d6:2c:16:b4:6f:f6:79:98:
        3c:1a:62:bb:bd:32:ac:8e:85:c3:fa:ea:e5:28:c1:e7:c1:85:
        90:4a:db:90:fa:1e:ed:63:d9:e9:72:d1:26:c3:7a:9b:59:f2:
        77:e3:4e:90:82:b7:cd:65:3b:8c:47:fb:fe:3f:e2:34:3f:bf:
        7b:66:bd:d6:d4:97:1c:bc:2b:bd:ef:5b:51:5a:d7:a0:37:cc:
        3c:46:ce:46