Ammad Shah schrieb:

i am using redhat as3, sendmail, xinetd ipop3 and imap, i installed dovecot and configured, when i stop xinetd and start dovecot , after successful startup , and using web to access it getting authenticaion errors, user/password unknown

What do you mean by "using web to access it" ? Certainly you will need a mail client to access the pop/imap server? Can you provide the output of the relevant logfile from the time you try to access the account ?

Yours, Jakob Curdes