This POP3 server does not seem to support encrypted passwords. If you just set up this account, please try changing to 'Normal password' as the 'Authentication method' in the 'Account Settings | Server settings'. If it used to work and now suddenly fails, please contact your email administrator or provider.
Iste servitor POP3 non pare supportar contrasignos cryptate. Si tu ha justo ora configurate iste conto, tenta cambiar a 'Contrasigno normal' le 'Methodo de authentication' in 'Parametros de contos | Parametros de servitor'. Si illo functionava antea e ora subito falle, contacta tu administrator o fornitor de e-mail.