Then the user is not using APOP. Trace the connection; turn up debugging, run ethereal, whatever. My money is that the client is offering: USER user@fqdn
rather than "APOP user@fqdn $MD5_blob_of_data" Quoting Gennaro Esposito ([EMAIL PROTECTED]): > Greetings > Maybe some troubles to this list sunked this mail in the deep ocean of the > Net...no problem, I send it again > sorry for eventual duplication ;-) > Original mail follows: > > I'm back again with another (stupid?) question > Sometimes I get the following message (in the syslog) > > <username> at <fqdn> (<ipaddr>): -ERR [AUTH] You must use stronger > authentication such as AUTH or APOP to connect to this server > > Well, but that <username> HAS an entry in the APOP database and, in fact, > he/she can download e-mail w/o problems.
