Postfix smtpd

220 mail.wxzhihe.cn ESMTP Postfix
250-mail.wxzhihe.cn
250-PIPELINING
250-SIZE 104857600
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            6e:38:04:b5:a1:2d:f8:35:49:f1:ed:7e:1a:b8:b8:d1
        Signature Algorithm: sha384WithRSAEncryption
        Issuer: C=CN, O=TrustAsia Technologies, Inc., CN=TrustAsia RSA DV TLS CA G2
        Validity
            Not Before: Oct 23 00:00:00 2024 GMT
            Not After : Jan 21 23:59:59 2025 GMT
        Subject: CN=mail.wxzhihe.cn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:dc:47:b0:46:e2:9f:0c:34:88:e4:34:76:8b:b6:
                    89:2f:db:08:58:9a:3b:60:e7:23:c2:e3:fc:be:58:
                    81:a5:2b:ae:0d:1d:94:66:14:d2:0f:4e:8e:46:4d:
                    84:95:b0:d8:22:f8:31:9f:a9:ea:73:b6:24:35:c5:
                    80:51:9f:e5:07:ea:6d:48:80:17:1f:56:86:6e:6b:
                    f6:c4:84:23:79:80:06:5b:12:9d:e4:2d:2c:e9:99:
                    ac:03:4e:ff:e2:4b:9f:73:27:66:89:67:bd:f0:25:
                    f3:02:85:01:8f:ec:cd:62:73:ff:0f:dc:c5:d6:a6:
                    5b:55:3d:a6:da:fc:a2:ba:55:e9:15:47:20:89:26:
                    49:3e:c4:77:c6:c5:9f:8b:85:31:9d:5c:ea:c7:93:
                    11:d1:56:0b:53:60:7f:ea:1e:ec:90:64:71:a3:45:
                    60:93:ed:8d:a8:e2:29:e2:ae:d6:13:50:a7:31:28:
                    67:74:84:2d:c3:29:e2:bd:0f:1b:53:f0:42:c1:2f:
                    18:c2:be:07:ed:32:ef:2f:15:c6:2b:74:8a:4f:1b:
                    8e:b1:9b:e2:bd:84:83:b7:7e:f4:5c:49:ff:02:41:
                    91:c2:11:56:57:c6:6f:1a:23:f0:dc:74:12:9a:48:
                    15:4b:33:6a:48:09:ac:27:8b:79:9b:1d:c2:80:88:
                    c7:b9
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                5F:3A:7C:11:10:7E:0C:67:71:61:DC:8B:A3:B5:00:03:67:F5:57:1C
            X509v3 Subject Key Identifier: 
                40:35:0F:B4:D3:3A:7D:08:58:09:BB:E7:D0:BE:B0:CC:C4:3D:4A:53
            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: 1.3.6.1.4.1.6449.1.2.2.49
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1
            Authority Information Access: 
                CA Issuers - URI:http://crt.trust-provider.cn/TrustAsiaRSADVTLSCAG2.crt
                OCSP - URI:http://ocsp.trust-provider.cn
            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 : Oct 23 06:03:32.600 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:87:E0:D5:B4:9E:2E:EB:0C:D1:A0:9E:
                                23:87:80:C8:73:90:0F:77:D9:1B:90:72:54:04:9C:2F:
                                34:27:1A:0F:EC:02:21:00:C5:D5:76:CB:5A:38:86:54:
                                2A:9B:B5:35:BC:EF:06:3A:8D:AC:EF:E3:44:7B:5D:D8:
                                64:DE:FC:95:FA:B5:52:64
                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 23 06:03:32.537 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:36:39:1E:5F:1C:37:C5:D0:10:2D:C5:BA:
                                DD:3B:E9:F5:5F:4F:0C:8D:D3:F8:D0:16:AF:96:2C:E7:
                                02:31:0B:7A:02:21:00:FA:EF:7D:02:E1:0C:DB:EA:34:
                                E9:E5:69:AD:C9:62:94:FD:33:BE:3E:82:83:2A:61:3E:
                                22:CA:84:7C:31:A1:E4
            X509v3 Subject Alternative Name: 
                DNS:mail.wxzhihe.cn
    Signature Algorithm: sha384WithRSAEncryption
    Signature Value:
        77:89:e3:5e:b6:f2:34:c2:c7:e0:85:88:ab:cb:89:62:bc:a4:
        77:73:ca:52:93:dd:76:5f:93:80:0f:eb:25:82:dd:d9:4b:81:
        42:0c:ee:45:63:a3:48:ce:80:08:a8:8f:f7:f7:21:a2:73:19:
        df:cc:c8:c2:15:14:89:88:df:d4:03:f5:09:18:d4:b6:b0:4c:
        48:43:0a:4e:ef:ce:a2:c2:1c:24:af:55:09:b4:69:af:6b:5a:
        e5:f3:e0:7a:2a:da:54:3c:f1:c2:0a:4d:a1:d0:bb:13:a9:06:
        9a:67:db:70:a0:9a:a4:77:36:e1:bf:a3:d8:e7:49:1b:44:79:
        47:fb:b5:2f:b5:2f:34:a9:c8:0b:5e:e3:83:d2:b9:e2:37:a5:
        0f:15:8b:92:97:4f:84:ac:f9:d2:39:f3:e9:33:d6:44:d2:31:
        5e:50:74:4c:9c:b8:5d:78:b9:75:6b:4a:c6:2a:7f:d8:7e:37:
        b6:fb:7b:d6:fa:b7:69:fd:c0:fb:da:60:15:ac:11:e7:48:b8:
        96:90:f4:0c:de:f6:3c:c4:a5:48:69:27:af:5e:87:ee:fe:12:
        fb:7d:ea:dd:85:20:61:e5:e8:45:0d:41:27:0b:b3:84:3f:4d:
        48:14:f5:05:32:5d:b6:dc:ae:ac:a9:5c:83:63:b5:0b:0a:da:
        92:9c:56:10:d3:ed:d0:db:9d:86:95:cf:ee:f7:08:eb:40:97:
        30:4a:7a:53:57:86:17:71:46:a3:86:dc:c0:0f:3c:f2:0c:71:
        9f:77:6e:d3:77:3f:78:95:23:1f:39:29:39:bd:87:ba:7a:bc:
        0e:92:4b:31:f8:26:70:ed:a4:be:13:81:23:14:f3:fd:de:11:
        89:31:dd:1f:a2:61:2c:6e:57:30:8c:c9:4a:3e:e4:d2:16:3f:
        ff:f0:8a:08:20:db:d1:67:96:51:4a:a0:71:a0:ca:ec:03:8b:
        cb:34:17:42:18:20:13:d9:6b:7b:6a:35:c2:6f:93:db:5a:f7:
        c6:63:d1:50:16:b8