Hello
Yes, I tried and it shows the following:
$ telnet localhost 89
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
+OK
login
kontakt@cleanus.pl <*password*>
+OK+
vpopmail_dir /home/vpopmail
domain_dir /home/vpopmail/domains/cleanus.pl
uid 508
gid 503
name kontakt
comment kontakt
quota NOQUOTA
user_dir /home/vpopmail/domains/cleanus.pl/kontakt
encrypted_password $<*encrypted_password*>
clear_text_password <*password*>
no_password_change 0
no_pop 0
no_webmail 0
no_imap 0
bounce_mail 0
no_relay 0
no_dialup 0
user_flag_0 0
user_flag_1 0
user_flag_2 0
user_flag_3 0
no_smtp 0
domain_admin_privileges 0
override_domain_limits 0
no_spamassassin 0
delete_spam 0
system_admin_privileges 0