On 03/04/2012 09:58 AM, Timo Sirainen wrote:
On 4.3.2012, at 16.48, Terry Carmen wrote:

 pass_attrs = ..., \
 msExchHomeServerName=userdb_imapc_host=%49.100$.example.com

If the prefix differs, but all of the exchange server names have the same length, for example 10, you can also do:

 pass_attrs = ..., \
 msExchHomeServerName=userdb_imapc_host=%-10$.example.com
 There's no otherwise nice way to parse this string.


If by prefix, you mean the "/O=example/OU=INT/cn=Configuration/cn=Servers/" part, then, yes, they're different.

OK, so if the prefix or suffix isn't always the same length you can't do the above.

I could export the data to a text file as username:homeexchangeserver (or whatever other format is needed).

homeservers.txt:
user1:exch1.example.com
user2:exch1.example.com
user3:exch1.example.com
user4:exch2.example.com

Is it possible to do a lookup in a text file to get this?


If you can use userdb passwd-file and export the data to that file, it'll work. http://wiki2.dovecot.org/AuthDatabase/PasswdFile

Example line:

user1::1000:1000::/home/user::userdb_imapc_host=exch1.example.com

Note that you can't then return any userdb fields from passdb ldap lookup.

That doesn't seem to work because I can't create the passdb file containing the user's password, since they're only known to the remote IMAP server that I want imapproxy to connect to.

What would be perfect is if I could do something like this:

////////////////////////////

http://wiki.dovecot.org/HowTo/ImapProxy#IMAP_and_POP3_session_proxying
Proxy only server

. . .

In this document I assume that Dovecot is installed under /opt/dovecot, by default it is installed under /usr/local when compiling from source. Examples in this document are for MySQL but configs do not differ much with PostgreSQL.

SQL table structure

Create SQL table like

CREATE TABLE proxy (
  user varchar(255) NOT NULL,
  host varchar(16) default NULL,
  destuser varchar(255) default NULL,
  PRIMARY KEY  (user)
);

//////////////////////////////////////

All I really need is a way to lookup the user's home IMAP server when given the username, as above.

Does imapproxy still support this 1.x feature?

Thanks!

Terry









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