change your login + do not use digits in login, change your password
again, restart service. use passive mode in ftp client. connect to sth
like
ftp://mtteu...@c1.swiftp.org when in web browser and enter
your password (do not enter port set in mobile phone). in total
commander use pasive mode, hostname
c1.swiftp.org login mtteu_login
and password
should work