Postfix smtpd

220 gloom.cordcandor.com ESMTP Postfix
250-gloom.cordcandor.com
250-8BITMIME
250-STARTTLS
250 Ok

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            21:af:fe:0e:96:a4:ed:f1:10:9c:f2:c6:1c:bc:6d:aa
        Signature Algorithm: ecdsa-with-SHA384
        Issuer: C=AT, O=ZeroSSL, CN=ZeroSSL ECC Domain Secure Site CA
        Validity
            Not Before: Jan 16 00:00:00 2025 GMT
            Not After : Apr 16 23:59:59 2025 GMT
        Subject: CN=gloom.cordcandor.com
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:d6:f2:35:72:f5:37:f0:3e:0b:3f:ec:86:89:72:
                    4f:66:25:9c:3b:b8:4b:93:94:b0:bc:a6:c5:6b:16:
                    4a:71:ab:b1:8c:63:77:fd:a2:3f:49:3e:d9:67:00:
                    7c:56:17:21:68:54:3f:bc:a5:a0:f6:06:12:29:96:
                    c2:47:be:6d:0a
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                0F:6B:E6:4B:CE:39:47:AE:F6:7E:90:1E:79:F0:30:91:92:C8:5F:A3
            X509v3 Subject Key Identifier: 
                1F:C6:6E:5F:B2:D6:A1:FB:47:CA:80:37:4E:A9:26:DA:DF:8C:F4:2A
            X509v3 Key Usage: critical
                Digital Signature
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.6449.1.2.2.78
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1
            Authority Information Access: 
                CA Issuers - URI:http://zerossl.crt.sectigo.com/ZeroSSLECCDomainSecureSiteCA.crt
                OCSP - URI:http://zerossl.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 : Jan 16 00:27:36.339 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:2E:84:9A:CC:F6:47:43:82:44:07:C2:28:
                                69:B0:E7:C8:B9:58:BD:86:4C:E8:96:71:52:41:95:CC:
                                E1:DA:FD:4E:02:20:7A:3A:FB:EB:C1:61:7A:93:80:1A:
                                64:F2:9B:D0:24:C2:7A:72:CE:31:BC:59:FE:C5:0B:63:
                                CD:48:FD:3D:29:7F
                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 : Jan 16 00:27:36.274 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:23:32:E4:9D:60:13:27:79:5D:9D:7D:17:
                                7C:0D:34:1A:F3:92:40:1E:79:F6:01:9C:A0:1B:EE:4F:
                                83:9B:71:10:02:20:41:8D:8D:C5:6C:3A:B6:F2:38:2E:
                                20:9C:A8:8F:CB:97:FC:55:D6:83:6B:4F:82:20:BA:7F:
                                E1:D5:4C:5C:AB:91
            X509v3 Subject Alternative Name: 
                DNS:gloom.cordcandor.com
    Signature Algorithm: ecdsa-with-SHA384
    Signature Value:
        30:64:02:30:12:17:50:29:f6:1e:14:88:cc:49:c4:d6:f2:4b:
        1e:23:04:15:e2:5a:d8:26:ac:af:38:3d:e1:1c:42:84:f1:a2:
        42:22:f6:c3:da:a0:bb:78:72:e5:bc:f5:27:fc:6a:7c:02:30:
        3a:96:bc:a5:59:35:0e:dd:09:0a:f8:4e:9e:93:94:d9:76:7c:
        fd:68:c2:d1:9f:d3:9f:59:dc:bf:f9:f6:04:7a:34:e3:09:1b:
        59:43:61:a8:08:61:71:0d:47:fa:69:ff