Quoting Timo Sirainen tss@iki.fi:

You can't have per-user seen flags with mbox currently. So create a public namespace with a maildir location and set up dovecot-acl file in a way that allows only some specific users access to it. So for example:

To refresh, I want a shared account, but my system was Dovecot 1.1 with all mbox mailboxes. Well, this is what I've done so far:

1. Upgraded to dovecot 1.2 (just because I could, I guess)

2. Tried to setup private/public namespaces... Edited "dovecot -n" output:

1.2.4: /etc/dovecot.conf

# OS: Linux 2.6.18-128.4.1.el5.centos.plus x86_64 CentOS release 5.3 (Final) [...] mail_location:
mbox:~/mail/:INBOX=/var/spool/mail/%u:INDEX=/var/dovecot/indexes/ %u [...] mail_plugins(default): zlib acl mail_plugins(imap): zlib acl mail_plugins(pop3): zlib [...] namespace: type: private separator: / inbox: yes list: yes subscriptions: yes namespace: type: public separator: / prefix: shared/ location:
maildir:/var/spool/mail/public:INDEX=/var/dovecot/indexes/public/%u list: no lda: postmaster_address: postmaster@physics.utexas.edu hostname: mail.ph.utexas.edu log_path: info_log_path: syslog_facility: mail auth default: passdb: driver: ldap args: /etc/dovecot-ldap.conf userdb: driver: ldap args: /etc/dovecot-ldap.conf plugin: acl: vfile

3. Created /var/spool/mail/public/.myfolder for the account to deliver to. Created empty dovecot-shared file for it.

4. Created a .forward file in the account to run "deliver" which does in fact deliver the account's email to the right maildir location.

5. Created /var/spool/mail/public/.myfolder/dovecot-acl which has something like:

owner lrwstiekxa user=me lrwstiekxa user=you lrst

So, mail is delivered to this account correctly as a maildir mailbox. But, I don't know how to read it, and/or configured something incorrectly.

It appears to be there, more or less:

a0 namespace

• NAMESPACE (("" "/")) NIL (("shared/" "/")) a0 OK Namespace completed. a0 list "" "shared/"
• LIST (\Noselect \HasNoChildren) "/" "shared/" a0 OK List completed.

But I can't figure out how to access it (either manuall via telnet as above, or from a client, etc).

So, how do I access it, and/or what did I do wrong?

While I've been doing email servers since the 1980's, this is my first try at using IMAP namespaces and shared folders, and I'm just not getting it... :(

-- Eric Rostetter The Department of Physics The University of Texas at Austin

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