Postfix smtpd

220 asmx2.ammoseek.com ESMTP Postfix (Ubuntu)
250-asmx2.ammoseek.com
250-PIPELINING
250-SIZE 28835840
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:c1:bd:c3:1b:3d:16:9e:74:a4:b6:87:6d:a7:69:8c:c3:3c
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R10
        Validity
            Not Before: Jan 25 13:56:38 2025 GMT
            Not After : Apr 25 13:56:37 2025 GMT
        Subject: CN=asmx2.ammoseek.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:a8:f3:de:bc:39:6a:fe:4b:1b:9a:a3:8d:71:69:
                    4c:8a:e9:d6:cc:23:a5:92:38:84:32:9a:49:75:cf:
                    3a:13:40:72:8c:75:95:40:3f:52:d4:31:29:0d:d6:
                    43:bd:db:8f:5e:c7:47:1b:0a:63:15:ef:51:d5:a4:
                    6a:af:61:98:23:8d:e9:44:b9:fa:1a:cd:46:48:d5:
                    87:d1:04:80:a1:25:4f:7c:3f:1c:d4:8d:d2:69:73:
                    12:fc:95:41:8a:6b:ed:45:8e:95:0d:2f:71:44:25:
                    d4:ae:68:15:f1:14:d9:a4:1a:94:6d:01:9d:8d:7e:
                    4a:80:87:48:44:ba:1e:58:a4:03:3d:22:cc:c1:2b:
                    b3:4b:70:94:a7:2f:44:b0:ac:a9:f0:ea:dd:7a:5d:
                    87:7e:5d:8f:97:26:67:dc:2f:a2:f1:83:75:95:87:
                    87:f9:ed:1f:94:d3:e8:33:36:79:3a:7f:1b:3c:a2:
                    7b:0d:86:44:04:4f:60:d0:10:13:0a:b0:9f:e5:e4:
                    fc:47:8a:19:6d:01:c5:d8:36:11:09:fb:1a:9f:6c:
                    10:b4:50:51:55:8f:e4:88:97:c1:78:9e:f1:b1:17:
                    b4:56:47:dc:c0:86:52:86:41:dd:af:6f:d7:e8:bb:
                    4d:23:08:30:18:32:d9:f9:99:9a:2f:02:5a:fe:8e:
                    4f:a7
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                36:41:DF:33:85:7F:7F:59:BB:6E:2F:F7:35:91:87:04:4A:47:D5:BA
            X509v3 Authority Key Identifier: 
                BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
            Authority Information Access: 
                OCSP - URI:http://r10.o.lencr.org
                CA Issuers - URI:http://r10.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:asmx2.ammoseek.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                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 25 14:55:08.467 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:13:B9:57:2A:B0:EB:BB:B4:0B:3D:A5:F5:
                                0B:CD:20:CB:2F:4C:5E:F6:A5:47:F0:94:E7:23:DC:85:
                                DC:BF:00:06:02:21:00:E0:73:7C:47:4A:65:8C:0A:D4:
                                38:86:AF:7D:40:E2:E0:0E:A2:40:CA:D6:B7:76:41:45:
                                DA:37:4C:EC:8C:49:40
                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 25 14:55:08.512 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:A3:A2:56:EC:47:D7:F4:08:1E:AA:37:
                                B1:C3:A6:12:42:02:1A:4A:50:BE:BF:5C:1E:9E:33:EC:
                                03:08:EE:64:14:02:20:5B:8F:B4:E2:F1:A9:0B:D9:0D:
                                F5:7B:2E:4B:A9:88:8C:AB:FD:8E:1C:21:A6:F3:58:CA:
                                80:64:EA:84:D9:8A:59
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        bd:66:bd:c5:54:80:3b:07:7d:69:05:24:80:e7:06:e7:1c:13:
        1c:73:12:75:70:9e:20:f5:15:93:bf:d0:f9:d3:2c:90:8d:79:
        e4:be:5c:54:d1:31:e3:0f:4f:4c:4d:17:69:d6:a6:75:a5:c0:
        0a:62:ba:05:29:ca:d6:14:0b:86:11:52:05:b4:ce:c3:a2:84:
        a5:59:29:c8:64:49:91:d6:18:43:ae:91:1e:e1:ca:7c:0f:59:
        d3:a7:98:6f:a8:39:4e:88:07:c4:86:35:72:48:ea:ae:c1:c7:
        06:5f:5a:3b:62:06:69:98:d9:76:c1:9a:2e:fc:7b:6b:fd:1f:
        9f:43:05:ba:d8:63:ba:99:be:4c:cf:ec:74:27:3d:70:95:5a:
        6b:ad:20:fb:49:5c:19:f6:39:03:fb:16:ee:9d:d9:2c:6f:93:
        b5:6a:9d:46:3f:7a:48:02:8c:93:77:24:f7:e0:49:e0:d4:d4:
        86:32:0b:3e:41:a3:c9:99:91:34:3a:9d:7b:4d:6f:84:6a:52:
        f3:f7:85:99:4d:12:f3:a7:ab:7a:dc:86:8f:b5:7e:3b:59:d0:
        e3:b5:c2:7a:82:9f:17:ce:75:f1:91:b2:36:ce:e5:db:aa:f4:
        67:04:f6:c5:14:60:ac:ec:d1:30:df:dd:42:f7:c7:fe:91:ca:
        8f:98:1d:ed