Unable to add cloudmail (poczta.nazwa.pl)

I cannot set up an account for poczta.nazwa.pl
Problem appairs only with this host.

Authentication Error - Check your username and password. (IMAP)
View Log:

connect mailcore::IMAPSession:008FF988

  • OK IMAP4 ready
    ssl connect poczta.nazwa.pl 993 2
    OpenSSL version: OpenSSL 1.1.0f 25 May 2017
    1 CAPABILITY
  • CAPABILITY IMAP4 IMAP4rev1 UIDPLUS AUTH=PLAIN QUOTA AUTH=PLAIN
    1 OK completed
    connect ok
    login
    2 LOGIN “myhidenloginhere” “*********”
    2 NO Authentication error - 0402

Windows 10 Pro
10.0.19044 Build 19044
Mailspring (installer) 1.10.3-a476c230