Microsoft ftpd

220 Microsoft FTP Service
530 User cannot log in.
214-The following commands are recognized (* ==>'s unimplemented).
    ABOR 
    ACCT 
    ADAT *
    ALLO 
    APPE 
    AUTH 
    CCC 
    CDUP 
    CWD 
    DELE 
    ENC *
    EPRT 
    EPSV 
    FEAT 
    HELP 
    HOST 
    LANG 
    LIST 
    MDTM 
    MIC *
    MKD 
    MODE 
    NLST 
    NOOP 
    OPTS 
    PASS 
    PASV 
    PBSZ 
    PORT 
    PROT 
    PWD 
    QUIT 
    REIN 
    REST 
    RETR 
    RMD 
    RNFR 
    RNTO 
    SITE 
    SIZE 
    SMNT 
    STAT 
    STOR 
    STOU 
    STRU 
    SYST 
    TYPE 
    USER 
    XCUP 
    XCWD 
    XMKD 
    XPWD 
    XRMD 
214 HELP command successful.
211-Extended features supported:
 LANG EN*
 UTF8
 AUTH TLS;TLS-C;SSL;TLS-P;
 PBSZ
 PROT C;P;
 CCC
 HOST
 SIZE
 MDTM
 REST STREAM
211 END

Microsoft IIS httpd10.0

HTTP/1.1 200 OK
Content-Type: text/html
Last-Modified: Sun, 12 Apr 2020 06:59:26 GMT
Accept-Ranges: bytes
ETag: "5423d0e79710d61:0"
Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET
Date: Thu, 27 Feb 2025 09:17:29 GMT
Content-Length: 703

* OK IMAP4rev1 server ready at 03/24/25 16:47:40
* CAPABILITY IMAP4rev1 IMAP4 AUTH=LOGIN AUTH=CRAM-MD5 IDLE CHILDREN XLIST UIDPLUS SPECIAL-USE
A001 OK CAPABILITY completed
A002 BAD UNKNOWN Command
A003 BAD UNKNOWN Command
* BYE IMAP4rev1 server terminating connection
A004 OK LOGOUT Initiated