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On Thu, 31 Jul 2014, Mildred Ki'Lya wrote:
Well, first of all auth-userdb and auth-client are completely
different things.
exim must connect to auth-client and _not_ auth-userdb.
2nd: If the config does not enlist auth-client, look at the full config:
doveconf -a
There you see all effective settings. hence, I guess you need to
replicate the setting from your running server into your local.conf in
order to get exim access permissions.
Thank you.
What I don't understand is how unix_listener works and how to specify
independently the socket file used and the protocol spoken on the socket.
For example, to get postfix to work (I was using postfix before I used
exim), we configure the auth service this way:
service auth {
unix_listener /var/spool/postfix/private/auth { ... }
}
What I deduced from this is that the unix_listener command took a file
path as argument and the permissions inside the {} block.
Now, when I look at the configuration for auth-userdb and auth-client, I
see:
service auth {
unix_listener auth-client {... }
unix_listener auth-userdb { ... }
}
Using the rule deduced above, I see two sockets being declared.
auth-client is a path relative to /var/run/dovecot, and auth-userdb is
also a path in /var/run/dovecot. I see no difference between the two,
except the file path. I deduce then that those two sockets respond to
the same protocol provided by the service auth.
Obviously, I am wrong.
Then, how does the auth service knows which protocol to speak on
/var/run/dovecot/auth-userdb, /var/run/dovecot/auth-client and
/var/spool/postfix/private/auth? This is not specified in the
configuration (even doveconf -a).
See http://wiki2.dovecot.org/Services#auth
"With UNIX listeners the client type is selected based on the filename
after the last "-" in the filename. For example "anything-userdb" is of
"userdb" type. The default type is "client" for inet insteners and
unrecognized UNIX listeners. "
- --
Steffen Kaiser
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