System basics
    Centos 7.3
    Dovecot 2.2.32 (dfbe293d4)

I am working on a replacement mail server for work and one of the features I 
wanted was ldap authentication

After much fiddling I got it to work.

But I encountered a issue where two different methods of testing a mail account 
resulted in the
mail_location being different

I set  mail_location = maildir:/var/spool/maildir/%d/%n/Maildir in dovecot.conf

when I test the authentication and to see if the folders are created correctly 
on first use I have two results depending on how I test.

First test was from openssl

    openssl s_client -connect mail2:993

I have no problem connecting, I issue the following commands

* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE 
AUTH=PLAIN] Dovecot ready.
a login testu...@userful.com ********
a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT 
SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND
URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED 
I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH 
LIST-STATUS
BINARY MOVE] Logged in
a list "" *
* LIST (\HasNoChildren) "." INBOX
a OK List completed (0.001 + 0.000 secs).
* BYE Disconnected for inactivity.
closed

But when I look in the mail server at /var/spool/maildir the testuser is not 
created inside of userful.com but at the same level as userful.com contrary to 
the
%d in mail_location settings.

Now second method

doveadm -D mailbox list -u 'testu...@userful.com'

This correctly creates the user under the domain as specified.

for logs I have from journalctl

for openssl

Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: client in: AUTH        2     
   PLAIN        service=imap        secured       
session=VgBmvMNcQoTAqHsn        lip=192.168.
123.236        rip=192.168.123.39        lport=993        rport=33858        
resp=AHRlc3R1c2VyQHVzZXJmdWwuY29tADk5dGVzdHVzZXI5OQ== (previous base64 data may
contain sensitive data)
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testu...@userful.com,192.168.123.39,<VgBmvMNcQoTAqHsn>): bind search: 
base=ou=People,dc=userful,dc=ca
filter=(&(objectClass=posixAccount)(uid=testuser))
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testu...@userful.com,192.168.123.39,<VgBmvMNcQoTAqHsn>): result: 
uid=testuser; uid unused
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testu...@userful.com,192.168.123.39,<VgBmvMNcQoTAqHsn>): username changed 
testu...@userful.com -> testuser
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testuser,192.168.123.39,<VgBmvMNcQoTAqHsn>): result: uid=testuser
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: client passdb out: OK        
2        user=testuser                original_user=testu...@userful.com
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: master in: REQUEST        
2784755713        10725        2        d4a357fe811a1da8bd725b82fc1da2ab       
session_pid=11051        request_auth_token
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testuser,192.168.123.39,<VgBmvMNcQoTAqHsn>): user search: 
base=ou=People,dc=userful,dc=ca scope=subtree
filter=(&(objectClass=posixAccount)(uid=testuser)) 
fields=homeDirectory,uidNumber,gidNumber
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testuser,192.168.123.39,<VgBmvMNcQoTAqHsn>): result: 
homeDirectory=/nfs/home/test-user uidNumber=6000
gidNumber=1000; homeDirectory,uidNumber,gidNumber unused
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: 
ldap(testuser,192.168.123.39,<VgBmvMNcQoTAqHsn>): result: 
homeDirectory=/nfs/home/test-user uidNumber=6000
gidNumber=1000
Oct 30 07:37:12 mail2 dovecot[10722]: auth: Debug: master userdb out: USER      
  2784755713        testuser        home=/nfs/home/test-user       
uid=6000        gid=1000        
auth_token=29e6ac32c85cf1b69eeabbe8e4f8e4810e9a3468        
auth_user=testu...@userful.com
Oct 30 07:37:12 mail2 dovecot[10722]: imap-login: Login: user=<testuser>, 
method=PLAIN, rip=192.168.123.39, lip=192.168.123.236, mpid=11051, TLS,
session=<VgBmvMNcQoTAqHsn>



for doveadm

Oct 30 07:39:12 mail2 dovecot[10722]: auth: Debug: master in: USER        1     
   testu...@userful.com        service=doveadm
Oct 30 07:39:12 mail2 dovecot[10722]: auth: Debug: ldap(testu...@userful.com): 
user search: base=ou=People,dc=userful,dc=ca scope=subtree
filter=(&(objectClass=posixAccount)(uid=testuser)) 
fields=homeDirectory,uidNumber,gidNumber
Oct 30 07:39:12 mail2 dovecot[10722]: auth: Debug: ldap(testu...@userful.com): 
result: homeDirectory=/nfs/home/test-user uidNumber=6000 gidNumber=1000;
homeDirectory,uidNumber,gidNumber unused
Oct 30 07:39:12 mail2 dovecot[10722]: auth: Debug: ldap(testu...@userful.com): 
result: homeDirectory=/nfs/home/test-user uidNumber=6000 gidNumber=1000
Oct 30 07:39:12 mail2 dovecot[10722]: auth: Debug: userdb out: USER        1    
    testu...@userful.com        home=/nfs/home/test-user        uid=6000       
gid=1000

Any ideas and any settings files that I need to post.




-- 
William Merkens
IT Support Analyst
Userful Corporation
+1 403.289.2177 ext.289
+1 866 USERFUL (1-866-873-7385)
Suite 300, 736 8th Ave. SW
Calgary AB T2P 1H4

Managed Desktops Done Right.
http://www.userful.com

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