You can avoid the behavior in your second question by setting
mupdate_config: unified
in your proxies imapd.conf. That was a long standing issue with
murder in a large scale environment with cyrus 2.2.
On Tuesday 10 November 2009 @ 11:51, Michael Bacon wrote:
> The second one is that the code for lmtpproxyd very explicitly
> connects to the mupdate master rather than the local slave. I
> can't really figure out why it would do this, but here are the two
> relevant snippets from lmtpd.c:
>
> This is from service_init:
>
> if (config_mupdate_server &&
> (config_mupdate_config ==
> IMAP_ENUM_MUPDATE_CONFIG_STANDARD) &&
> !config_getstring(IMAPOPT_PROXYSERVERS)) {
> /* proxy only -- talk directly to mupdate master */
> r = mupdate_connect(config_mupdate_server, NULL, &mhandle,
> NULL); if (r) {
> syslog(LOG_ERR, "couldn't connect to MUPDATE server %s:
> %s", config_mupdate_server, error_message(r)); fatal("error
> connecting with MUPDATE server", EC_TEMPFAIL); }
> }
>
>
> and it appears that this runs every time a message delivery is
> attempted:
>
> static int mlookup(const char *name, char **server, char **aclp,
> void *tid) {
> int r, type;
>
> if (server) *server = NULL;
>
> if (mhandle) {
> /* proxy only, so check the mupdate master */
> struct mupdate_mailboxdata *mailboxdata;
>
> /* find what server we're sending this to */
> r = mupdate_find(mhandle, name, &mailboxdata);
>
> In short, it looks like, unlike proxyd and pop3proxyd, lmtpproxyd
> never even bothers to check the local mailboxes database, and when
> it wants an answer, feels the need to go directly to the mupdate
> master, rather than querying the handy dandy local slave. Is this
> intentional? Why can't it use the local cache?
>
> Thanks much,
> Michael Bacon
> UNC Chapel Hill
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