int deliver_recipient(LOCAL_STATE state, USER_ATTR usr_attr)
{
const char *myname = "deliver_recipient";
VSTRING *folded;
int rcpt_stat;
/*
* Make verbose logging easier to understand.
*/
state.level++;
if (msg_verbose)
MSG_LOG_STATE(myname, state);
/*
* Set up the recipient-specific attributes. The recipient's lookup
* handle is the full address.
*/
if (state.msg_attr.delivered == 0)
state.msg_attr.delivered = state.msg_attr.rcpt.address;
folded = vstring_alloc(100);
state.msg_attr.user = casefold(folded, state.msg_attr.rcpt.address);
/*
* Deliver
*/
if (msg_verbose)
deliver_attr_dump(&state.msg_attr);
if (deliver_mailbox(state, usr_attr, &rcpt_stat) == 0)
rcpt_stat = deliver_unknown(state);
/*
* Cleanup.
*/
vstring_free(folded);
return (rcpt_stat);
}
int deliver_recipient(LOCAL_STATE state, USER_ATTR usr_attr)
{
const char *myname = "deliver_recipient";
int rcpt_stat;
/*
* Make verbose logging easier to understand.
*/
state.level++;
if (msg_verbose)
MSG_LOG_STATE(myname, state);
/*
* Duplicate filter.
*/
if (been_here(state.dup_filter, "recipient %d %s",
state.level, state.msg_attr.rcpt.address))
return (0);
/*
* With each level of recursion, detect and break external message
* forwarding loops.
*
* If the looping recipient address has an owner- alias, send the error
* report there instead.
*
* XXX A delivery agent cannot change the envelope sender address for
* bouncing. As a workaround we use a one-recipient bounce procedure.
*
* The proper fix would be to record in the bounce logfile an error return
* address for each individual recipient. This would also eliminate the
* need for VERP specific bouncing code, at the cost of complicating the
* normal bounce sending procedure, but would simplify the code below.
*/
if (delivered_hdr_find(state.loop_info, state.msg_attr.rcpt.address)) {
dsb_simple(state.msg_attr.why, "5.4.6", "mail forwarding loop for %s",
state.msg_attr.rcpt.address);
/* Account for possible owner- sender address override. */
return (bounce_workaround(state));
}
/*
* Set up the recipient-specific attributes. If this is forwarded mail,
* leave the delivered attribute alone, so that the forwarded message
* will show the correct forwarding recipient.
*/
if (state.msg_attr.delivered == 0)
state.msg_attr.delivered = state.msg_attr.rcpt.address;
state.msg_attr.local = mystrdup(state.msg_attr.rcpt.address);
lowercase(state.msg_attr.local);
if ((state.msg_attr.domain = split_at_right(state.msg_attr.local, '@')) == 0)
msg_warn("no @ in recipient address: %s", state.msg_attr.local);
/*
* Address extension management.
*/
state.msg_attr.user = mystrdup(state.msg_attr.local);
if (*var_rcpt_delim) {
state.msg_attr.extension =
split_addr(state.msg_attr.user, *var_rcpt_delim);
if (state.msg_attr.extension && strchr(state.msg_attr.extension, '/')) {
msg_warn("%s: address with illegal extension: %s",
state.msg_attr.queue_id, state.msg_attr.local);
state.msg_attr.extension = 0;
}
} else
state.msg_attr.extension = 0;
state.msg_attr.unmatched = state.msg_attr.extension;
/*
* Do not allow null usernames.
*/
if (state.msg_attr.user[0] == 0) {
dsb_simple(state.msg_attr.why, "5.1.3",
"null username in \"%s\"", state.msg_attr.rcpt.address);
return (bounce_append(BOUNCE_FLAGS(state.request),
BOUNCE_ATTR(state.msg_attr)));
}
/*
* Run the recipient through the delivery switch.
*/
if (msg_verbose)
deliver_attr_dump(&state.msg_attr);
rcpt_stat = deliver_switch(state, usr_attr);
/*
* Clean up.
*/
myfree(state.msg_attr.local);
myfree(state.msg_attr.user);
return (rcpt_stat);
}
