220 FTP Server
530 Login incorrect.
214-The following commands are recognized (* =>'s unimplemented):
 CWD     XCWD    CDUP    XCUP    SMNT*   QUIT    PORT    PASV    
 EPRT    EPSV    ALLO*   RNFR    RNTO    DELE    MDTM    RMD     
 XRMD    MKD     XMKD    PWD     XPWD    SIZE    SYST    HELP    
 NOOP    FEAT    OPTS    AUTH*   CCC*    CONF*   ENC*    MIC*    
 PBSZ*   PROT*   TYPE    STRU    MODE    RETR    STOR    STOU    
 APPE    REST    ABOR    USER    PASS    ACCT*   REIN*   LIST    
 NLST    STAT    SITE    MLSD    MLST    
214 Direct comments to root@10.10.100.49
211-Features:
 MDTM
 TVFS
 MFMT
 SIZE
 LANG it-IT;es-ES;zh-CN;fr-FR;ko-KR;ja-JP;zh-TW;en-US;bg-BG;ru-RU
 MFF modify;UNIX.group;UNIX.mode;
 REST STREAM
 MLST modify*;perm*;size*;type*;unique*;UNIX.group*;UNIX.mode*;UNIX.owner*;
 UTF8
 EPRT
 EPSV
211 End

Postfix smtpd

220 nc1049.nexylan.net ESMTP Postfix
250-nc1049.nexylan.net
250-PIPELINING
250-SIZE 20480000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            05:ca:14:52:c4:60:f0:90:f6:99:56:84:75:61:ee:ab
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1
        Validity
            Not Before: Jul  8 00:00:00 2024 GMT
            Not After : Jul  5 23:59:59 2025 GMT
        Subject: CN=*.nexylan.net
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:be:d7:c0:fb:23:dd:1a:53:70:62:2b:19:f7:69:
                    da:26:8b:02:e5:33:0d:b0:09:83:9b:70:f0:a5:7c:
                    1e:b2:93:b5:7b:00:95:81:ce:0b:4f:6d:63:82:25:
                    98:0c:31:92:85:41:60:a7:46:94:51:c2:06:14:2e:
                    4a:02:8f:c6:5e:cd:c4:4f:dc:aa:7c:af:15:90:db:
                    a2:86:63:e8:fb:75:e1:8c:82:54:39:07:1c:d0:9c:
                    3d:3a:c2:75:e2:1a:0f:cd:49:53:f6:84:03:78:a6:
                    e2:51:08:af:30:e5:9a:2f:01:3e:1e:53:4b:f2:9c:
                    a9:03:d2:f8:e7:3b:f8:8e:36:63:62:72:7f:bd:e1:
                    6a:1b:5d:ef:ee:52:ae:82:e4:50:54:89:0b:0c:03:
                    f3:31:1d:ae:76:02:6f:bd:92:56:fd:e9:39:17:a8:
                    61:f5:2f:2c:e1:55:ec:b2:19:4e:12:05:13:44:34:
                    70:e2:44:8d:c7:f9:ab:ac:26:83:22:8b:9a:00:7a:
                    e2:6d:a5:ca:69:c3:1b:b4:66:4a:9e:37:dc:79:ff:
                    2d:8d:d7:65:38:80:b1:51:27:b1:ca:06:37:c3:4f:
                    25:0a:86:ba:2e:75:52:0f:ed:38:4a:da:b1:6c:3d:
                    dc:c5:63:9e:5b:c1:44:78:e8:92:69:5a:ab:77:ae:
                    36:7f
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
            X509v3 Subject Key Identifier: 
                D4:5B:C7:8D:2F:B7:3D:30:9F:78:52:8F:F6:5F:08:98:B7:FB:CC:FF
            X509v3 Subject Alternative Name: 
                DNS:*.nexylan.net, DNS:nexylan.net
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
                  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://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
            Authority Information Access: 
                OCSP - URI:http://status.rapidssl.com
                CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
            X509v3 Basic Constraints: critical
                CA:FALSE
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
                                3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
                    Timestamp : Jul  8 09:02:24.822 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:69:32:99:4B:0D:89:AC:36:E4:13:94:A0:
                                AE:88:2B:E9:0A:37:6E:63:FC:19:89:9D:A3:26:2D:C6:
                                EA:1B:98:86:02:20:3B:21:BA:8B:6F:AB:03:93:76:A2:
                                AC:66:46:67:1F:50:87:8D:1C:89:B1:CC:D9:01:84:DD:
                                60:86:DF:4B:BB:1C
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
                                87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
                    Timestamp : Jul  8 09:02:24.816 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:0F:F7:86:06:35:7C:7F:DB:11:DF:1F:15:
                                07:69:31:2C:B4:EB:DB:CA:0A:0F:13:9E:59:CB:FF:D5:
                                BD:76:B4:0B:02:21:00:FC:46:CE:6F:68:78:66:97:46:
                                FB:92:85:67:1A:77:85:FB:11:64:E8:C2:CF:07:33:68:
                                8D:F3:4A:B4:FD:67:B9
                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 : Jul  8 09:02:24.772 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:2A:4B:46:97:E1:82:7D:B9:4D:EC:4E:B9:
                                46:A6:EA:D8:D7:5A:6C:E2:BF:7C:3F:EA:1D:BE:5D:0F:
                                83:AE:4B:BD:02:21:00:E8:26:03:9D:D4:A0:1D:B9:48:
                                01:A6:8C:18:35:3D:55:4A:FB:D0:6B:E4:8D:CF:24:BE:
                                CC:18:3C:76:68:F4:28
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        5f:28:ca:05:e8:13:0a:dc:b5:a8:9b:c8:70:af:47:8e:72:23:
        7f:8e:fd:6f:ca:c3:ca:c5:bf:e9:fe:c6:ab:86:cf:6b:87:3f:
        92:57:fa:88:3d:8d:f9:ae:47:7b:1d:fc:ff:53:15:02:20:08:
        8c:7b:6f:98:8c:f8:6a:03:70:e8:c3:11:44:f6:02:e6:e0:cc:
        5d:1b:40:12:f0:2e:55:78:4f:af:1c:71:c1:35:40:0b:07:a4:
        45:a6:43:9a:0c:03:5c:58:52:b4:d3:15:b3:fa:35:8f:c2:cd:
        a1:82:4c:ff:36:dc:ca:be:71:f5:be:3e:4c:76:c9:df:e2:90:
        73:e8:d1:87:d9:08:db:32:12:10:1d:47:d4:36:ff:ac:1c:43:
        99:3b:69:82:04:26:c3:d9:a1:65:68:7e:3e:ed:e7:83:ae:ac:
        d6:96:a6:d4:76:fa:81:4d:a8:7e:e1:d7:6d:d6:3a:6a:23:0c:
        28:c6:29:1f:b5:b3:af:40:77:f1:19:12:6b:1e:2b:4b:61:0c:
        0f:e1:c3:b4:a1:8c:b7:d6:c8:9f:d7:4e:d2:0f:ab:84:69:c4:
        89:57:fe:83:65:44:7b:25:ed:92:5f:c7:5d:ce:a2:6b:5f:4f:
        af:78:9a:47:77:0d:45:d8:e3:ad:a4:01:21:5d:92:67:f0:1a:
        83:2c:0e:7b