Tobias wrote, On 2009. 12. 29. 11:45: > Hi Tamas > > yes I would try with another MUA just to verify whether it's a MUA- or > server problem. > Btw: No chance to persuade the user to use IMAP instead of POP3? > Well, the news is that every other user's client is working fine. This error only for one user. Of course, this user is the boss:) tamas