[Dovecot] DoveCot LDA prefetch fails with LDA, works with POP client

[Zhou, Yan]

> -----Original Message-----
> From: dovecot-bounces at dovecot.org [mailto:dovecot-bounces at dovecot.org]
> On Behalf Of Zhou, Yan
> Sent: Friday, August 05, 2011 4:24 PM
> To: dovecot at dovecot.org
> Subject: [Dovecot] DoveCot LDA prefetch fails with LDA, works with POP
> client
> 
> Hi there,
> 
> I am using DoveCot 1.0.7. I know it is real old, but we have to work
> with it. I have configured LDAP lookup with password prefetch in
> DoveCot. I can successfully receive emails through DoveCot, thus
> proving
> my password prefetch and user authentication are good.
> 
> The problem is when I use Postfix to deliver message to DoveCot via
LDA.
> My postfix master.cf looks like this:
> 
> dovecot   unix  -       n       n       -       -       pipe
>    flags=Rhu user=hubdirect null_sender=
> argv=/usr/libexec/dovecot/deliver -e -f ${sender} -d ${user}
> 
> Given a message, Postfix looks up LDAP and find the user associated
> with
> the recipient address and delivers the message using LDA.  LDAP logs
> indicates that Postfix is returning the right user.
> 
> The problem is that DoveCot complains "passdb did not return userdb
> entries", but I do not know which entries passdb failed to return.
Here
> is what I have in dovecot-ldap.conf. I have tried different things in
> "user_attrs", DoveCot keeps complaining the same thing.
> 
> user_attrs = username=user
> user_filter =
> (&(objectClass=DirectUser)(username=%u)(roles=*ROLE_EDGE_EMAIL*))
> pass_attrs =
>
username=user,password=password,username=userdb_user,usermaildirectory=
> u
> serdb_mail,userhomedirectory=userdb_home,825=userdb_uid,825=userdb_gid
> pass_filter =
> (&(objectClass=DirectUser)(username=%u)(roles=*ROLE_EDGE_EMAIL*))
> 
> 
> 
> The documentation says LDA does not use prefetch, but the log seems to
> indicate otherwise. I clearly see the "service=deliver" is
> authenticating the user first, thus using password prefetch. Can
> someone
> clarify this?
> 
> 
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): Loading modules
from
> directory: /usr/lib64/dovecot/lda
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): Module loaded:
> /usr/lib64/dovecot/lda/lib10_quota_plugin.so
> Aug  5 15:12:25 dir-dev-pop01 dovecot: auth(default): master in: USER
> 1       emailspool      service=deliver
> Aug  5 15:12:25 dir-dev-pop01 dovecot: auth(default):
> prefetch(emailspool): passdb didn't return userdb entries
> Aug  5 15:12:25 dir-dev-pop01 dovecot: auth(default):
ldap(emailspool):
> user search: base=dc=hubdirect,dc=dev,dc=medplus,dc=com scope=subtree
>
filter=(&(objectClass=DirectUser)(username=emailspool)(roles=*ROLE_EDGE
> _
> EMAIL*)) fields=username
> Aug  5 15:12:25 dir-dev-pop01 dovecot: auth(default): master out: USER
> 1       emailspool      user=emailspool uid=825 gid=825
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): auth input:
> emailspool
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): auth input:
> user=emailspool
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): auth input: uid=825
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): auth input: gid=825
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): maildir:
> data=/home/hubdirect/emailspool/Maildir
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool): maildir:
> root=/home/hubdirect/emailspool/Maildir,
> index=/home/hubdirect/emailspool/Maildir, control=, inbox=
> Aug  5 15:12:25 dir-dev-pop01 deliver(emailspool):
> msgid=<12097075.28.1312571545112.JavaMail.zhou_y at yzhou-lp2>: saved
mail
> to INBOX
> 
> Thanks,
> Yan
> 
> 
> 

I was able to get this working by the following attributes. 

user_attrs = homeDirectory=home,uidNumber=uid,gidNumber=gid

Thanks!

Yan





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