Martin Log file below:
. 2016-11-15 09:21:54.441 --------------------------------------------------------------------------
. 2016-11-15 09:21:54.441 WinSCP Version 5.9.2 (Build 6958) (OS 10.0.14393 - Windows 10 Pro)
. 2016-11-15 09:21:54.441 Configuration: HKCU\Software\Martin Prikryl\WinSCP 2\
. 2016-11-15 09:21:54.441 Log level: Normal
. 2016-11-15 09:21:54.441 Local account: WATMOS\netshield
. 2016-11-15 09:21:54.441 Working directory: C:\Program Files (x86)\WinSCP
. 2016-11-15 09:21:54.441 Process ID: 10988
. 2016-11-15 09:21:54.441 Command-line: "C:\Program Files (x86)\WinSCP\WinSCP.exe"
. 2016-11-15 09:21:54.441 Time zone: Current: GMT+0, Standard: GMT+0 (GMT Standard Time), DST: GMT+1 (GMT Daylight Time), DST Start: 27/03/2016, DST End: 30/10/2016
. 2016-11-15 09:21:54.441 Login time: 15 November 2016 09:21:54
. 2016-11-15 09:21:54.441 --------------------------------------------------------------------------
. 2016-11-15 09:21:54.441 Session name: ftpsecure@watmos-ftp (Site)
. 2016-11-15 09:21:54.441 Host name: watmos-ftp.watmos.org.uk (Port: 990)
. 2016-11-15 09:21:54.441 User name: ftpsecure (Password: Yes, Key file: No)
. 2016-11-15 09:21:54.441 Transfer Protocol: FTP
. 2016-11-15 09:21:54.441 Ping type: Dummy, Ping interval: 30 sec; Timeout: 15 sec
. 2016-11-15 09:21:54.441 Disable Nagle: No
. 2016-11-15 09:21:54.441 Proxy: None
. 2016-11-15 09:21:54.441 Send buffer: 262144
. 2016-11-15 09:21:54.441 UTF: Auto
. 2016-11-15 09:21:54.441 FTPS: Implicit TLS/SSL [Client certificate: No]
. 2016-11-15 09:21:54.441 FTP: Passive: Yes [Force IP: Auto]; MLSD: Auto [List all: Auto]; HOST: Auto
. 2016-11-15 09:21:54.441 Session reuse: Yes
. 2016-11-15 09:21:54.441 TLS/SSL versions: TLSv1.0-TLSv1.2
. 2016-11-15 09:21:54.441 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2016-11-15 09:21:54.441 Cache directory changes: Yes, Permanent: Yes
. 2016-11-15 09:21:54.441 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2016-11-15 09:21:54.441 Timezone offset: 0h 0m
. 2016-11-15 09:21:54.441 --------------------------------------------------------------------------
. 2016-11-15 09:21:54.510 Connecting to watmos-ftp.watmos.org.uk:990 ...
. 2016-11-15 09:21:54.510 Connected with watmos-ftp.watmos.org.uk:990, negotiating TLS connection...
. 2016-11-15 09:21:54.557 Verifying certificate for "" with fingerprint d4:85:b1:57:00:54:fa:84:54:16:86:a7:48:d9:dc:d0:4d:ad:4e:8e and 20 failures
. 2016-11-15 09:21:54.557 Certificate common name "Watmos-FTP.watmos.org.uk" matches hostname
. 2016-11-15 09:21:54.557 Certificate for "" matches cached fingerprint and failures
. 2016-11-15 09:21:54.557 Using TLSv1, cipher TLSv1/SSLv3: AES128-SHA, 2048 bit RSA, AES128-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1
. 2016-11-15 09:21:54.573 TLS connection established. Waiting for welcome message...
< 2016-11-15 09:21:54.573 220 Microsoft FTP Service
> 2016-11-15 09:21:54.573 USER ftpsecure
< 2016-11-15 09:21:54.588 530 Valid hostname is expected.
. 2016-11-15 09:21:54.588 Connection failed.
* 2016-11-15 09:21:54.626 (EFatal) Connection failed.
* 2016-11-15 09:21:54.626 Authentication failed.
* 2016-11-15 09:21:54.626 Using TLSv1, cipher TLSv1/SSLv3: AES128-SHA, 2048 bit RSA, AES128-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1
* 2016-11-15 09:21:54.626
* 2016-11-15 09:21:54.626 Connection failed.
* 2016-11-15 09:21:54.626 Valid hostname is expected.
. 2016-11-15 09:22:03.285 --------------------------------------------------------------------------
. 2016-11-15 09:22:03.285 WinSCP Version 5.9.2 (Build 6958) (OS 10.0.14393 - Windows 10 Pro)
. 2016-11-15 09:22:03.285 Configuration: HKCU\Software\Martin Prikryl\WinSCP 2\
. 2016-11-15 09:22:03.285 Log level: Normal
. 2016-11-15 09:22:03.285 Local account: WATMOS\netshield
. 2016-11-15 09:22:03.285 Working directory: C:\Program Files (x86)\WinSCP
. 2016-11-15 09:22:03.285 Process ID: 10988
. 2016-11-15 09:22:03.285 Command-line: "C:\Program Files (x86)\WinSCP\WinSCP.exe"
. 2016-11-15 09:22:03.285 Time zone: Current: GMT+0, Standard: GMT+0 (GMT Standard Time), DST: GMT+1 (GMT Daylight Time), DST Start: 27/03/2016, DST End: 30/10/2016
. 2016-11-15 09:22:03.285 Login time: 15 November 2016 09:22:03
. 2016-11-15 09:22:03.285 --------------------------------------------------------------------------
. 2016-11-15 09:22:03.285 Session name: ftpsecure@watmos-ftp (Site)
. 2016-11-15 09:22:03.285 Host name: watmos-ftp.watmos.org.uk (Port: 990)
. 2016-11-15 09:22:03.285 User name: ftpsecure (Password: Yes, Key file: No)
. 2016-11-15 09:22:03.285 Transfer Protocol: FTP
. 2016-11-15 09:22:03.285 Ping type: Dummy, Ping interval: 30 sec; Timeout: 15 sec
. 2016-11-15 09:22:03.285 Disable Nagle: No
. 2016-11-15 09:22:03.285 Proxy: None
. 2016-11-15 09:22:03.285 Send buffer: 262144
. 2016-11-15 09:22:03.285 UTF: Auto
. 2016-11-15 09:22:03.285 FTPS: Implicit TLS/SSL [Client certificate: No]
. 2016-11-15 09:22:03.285 FTP: Passive: Yes [Force IP: Auto]; MLSD: Auto [List all: Auto]; HOST: Auto
. 2016-11-15 09:22:03.285 Session reuse: Yes
. 2016-11-15 09:22:03.285 TLS/SSL versions: TLSv1.0-TLSv1.2
. 2016-11-15 09:22:03.285 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2016-11-15 09:22:03.285 Cache directory changes: Yes, Permanent: Yes
. 2016-11-15 09:22:03.285 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2016-11-15 09:22:03.285 Timezone offset: 0h 0m
. 2016-11-15 09:22:03.285 --------------------------------------------------------------------------
. 2016-11-15 09:22:03.353 Connecting to watmos-ftp.watmos.org.uk:990 ...
. 2016-11-15 09:22:03.353 Connected with watmos-ftp.watmos.org