> I think the problem has most likely to do with IMAP
> clients using persistent connections. When they first
> login successfully vpopmail updates tcp.smtp.cdb file
> and the user has open relay for one hour or whatever
> it is for timeout. But since the IMAP client uses
> persistant connection a new login procedure never takes
> place and the old "RELAYCLIENT" flag times out.
That's a good point -- In my particular case authdaemon is not updating the
tcp.smtp.cdb file at all though.
> Maybe this is not the case in Davids problem but
> I want to give a hint anyway...
> I know there is solution for this problem but I do not
> remember the webaddress.
A solution could be to revalidate the IP on any IMAP access, instead of just
the initial login.