I'm trying to migrate from Netscape Mail to Qmail. I got qmail, vpopmail 
and courier-imap installed, but I have some doubts about the migrating 
path to get as many features as posible without users intervention.

I'd like to preserve the NS Mail ldap scheme for the users database 
using Openldap, but I read some comments about advising not to use 
vpopmail's ldap module but vpasswd.cdb local db or mysql db.

Currently it's running without ldap, just local cdb, and it's working 
fine with Courier imapd, but courier-popd fails to authenticate (same 
username and password is accepted ok via imapd). I configured popd to 
use the same authdaemon configuration as imapd but it refuses all 
logins. I traced logs, tested authtest tool and everything seems ok. If 
I get back to qmail-pop3d with vchkpw enabled, it does work. Dunno why!

I also need to preserve users' current ciphered passwords (SHA-1) as 
stored in ldap directory, but cannot find sha support in vpopmail 
(despite courier's authdaemon understands SHA passwords). How can I keep 
users passwords, if possible?

My users currently use a "username.domain.com" scheme as pop usernames 
to login to their mailboxes at Netscape server. I'm trying to use the 
dot as domain separator when they login to vpopmail/courier, but I 
didn't find info about that subject. Is that supported?

My target is qmail+vpopmail+ldap+courier+imp to get the same services as 
of netscape, with mailboxes contents and users database transparently 
moved to qmail, but I don't have a clear migrating path yet to get the 
same features with no user impact. :(

Advice would be very welcome, specially on users directoy, sha-1 and 
domain separator stuff.


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