void smtp_rcpt_fail(SMTP_STATE *state, RECIPIENT *rcpt, const char *mta_name,
SMTP_RESP *resp, const char *format,...)
{
DELIVER_REQUEST *request = state->request;
SMTP_SESSION *session = state->session;
DSN_BUF *why = state->why;
int status;
int soft_error;
int soft_bounce_error;
va_list ap;
/*
* Sanity check.
*/
if (SMTP_RCPT_ISMARKED(rcpt))
msg_panic("smtp_rcpt_fail: recipient <%s> is marked", rcpt->address);
/*
* Initialize.
*/
va_start(ap, format);
vsmtp_fill_dsn(state, mta_name, resp->dsn, resp->str, format, ap);
va_end(ap);
soft_error = STR(why->status)[0] == '4';
soft_bounce_error = (STR(why->status)[0] == '5' && var_soft_bounce);
if (state->session && mta_name)
smtp_check_code(state->session, resp->code);
/*
* Don't defer this recipient record just yet when this error qualifies
* for trying other mail servers. Just log something informative to show
* why we're skipping this recipient now.
*/
if ((soft_error || soft_bounce_error)
&& (state->misc_flags & SMTP_MISC_FLAG_FINAL_SERVER) == 0) {
msg_info("%s: %s", request->queue_id, STR(why->reason));
SMTP_RCPT_KEEP(state, rcpt);
}
/*
* Defer or bounce this recipient, and delete from the delivery request.
* If the bounce fails, defer instead and do not qualify the recipient
* for delivery to a backup server.
*
* Note: we may still make an SMTP connection to deliver other recipients
* that did qualify for delivery to a backup server.
*/
else {
(void) DSN_FROM_DSN_BUF(state->why);
status = (soft_error ? defer_append : bounce_append)
(DEL_REQ_TRACE_FLAGS(request->flags), request->queue_id,
&request->msg_stats, rcpt,
session ? session->namaddrport : "none", &why->dsn);
if (status == 0)
deliver_completed(state->src, rcpt->offset);
SMTP_RCPT_DROP(state, rcpt);
state->status |= status;
}
}
void smtp_rcpt_done(SMTP_STATE *state, SMTP_RESP *resp, RECIPIENT *rcpt)
{
DELIVER_REQUEST *request = state->request;
SMTP_SESSION *session = state->session;
SMTP_ITERATOR *iter = state->iterator;
DSN_BUF *why = state->why;
const char *dsn_action = "relayed";
int status;
/*
* Assume this was intermediate delivery when the server announced DSN
* support, and don't send a DSN "SUCCESS" notification.
*/
if (session->features & SMTP_FEATURE_DSN)
rcpt->dsn_notify &= ~DSN_NOTIFY_SUCCESS;
/*
* Assume this was final delivery when the LMTP server announced no DSN
* support. In backwards compatibility mode, send a "relayed" instead of
* a "delivered" DSN "SUCCESS" notification. Do not attempt to "simplify"
* the expression. The redundancy is for clarity. It is trivially
* eliminated by the compiler. There is no need to sacrifice clarity for
* the sake of "performance".
*/
if ((session->features & SMTP_FEATURE_DSN) == 0
&& !smtp_mode
&& var_lmtp_assume_final != 0)
dsn_action = "delivered";
/*
* Report success and delete the recipient from the delivery request.
* Defer if the success can't be reported.
*
* Note: the DSN action is ignored in case of address probes.
*/
dsb_update(why, resp->dsn, dsn_action, DSB_MTYPE_DNS, STR(iter->host),
DSB_DTYPE_SMTP, resp->str, "%s", resp->str);
status = sent(DEL_REQ_TRACE_FLAGS(request->flags),
request->queue_id, &request->msg_stats, rcpt,
session->namaddrport, DSN_FROM_DSN_BUF(why));
if (status == 0)
if (request->flags & DEL_REQ_FLAG_SUCCESS)
deliver_completed(state->src, rcpt->offset);
SMTP_RCPT_DROP(state, rcpt);
state->status |= status;
}
static int smtp_bulk_fail(SMTP_STATE *state, int throttle_queue)
{
DELIVER_REQUEST *request = state->request;
SMTP_SESSION *session = state->session;
DSN_BUF *why = state->why;
RECIPIENT *rcpt;
int status;
int soft_error = (STR(why->status)[0] == '4');
int soft_bounce_error = (STR(why->status)[0] == '5' && var_soft_bounce);
int nrcpt;
/*
* Don't defer the recipients just yet when this error qualifies them for
* delivery to a backup server. Just log something informative to show
* why we're skipping this host.
*/
if ((soft_error || soft_bounce_error)
&& (state->misc_flags & SMTP_MISC_FLAG_FINAL_SERVER) == 0) {
msg_info("%s: %s", request->queue_id, STR(why->reason));
for (nrcpt = 0; nrcpt < SMTP_RCPT_LEFT(state); nrcpt++) {
rcpt = request->rcpt_list.info + nrcpt;
if (SMTP_RCPT_ISMARKED(rcpt))
continue;
SMTP_RCPT_KEEP(state, rcpt);
}
}
/*
* Defer or bounce all the remaining recipients, and delete them from the
* delivery request. If a bounce fails, defer instead and do not qualify
* the recipient for delivery to a backup server.
*/
else {
/*
* If we are still in the connection set-up phase, update the set-up
* completion time here, otherwise the time spent in set-up latency
* will be attributed as message transfer latency.
*
* All remaining recipients have failed at this point, so we update the
* delivery completion time stamp so that multiple recipient status
* records show the same delay values.
*/
if (request->msg_stats.conn_setup_done.tv_sec == 0) {
GETTIMEOFDAY(&request->msg_stats.conn_setup_done);
request->msg_stats.deliver_done =
request->msg_stats.conn_setup_done;
} else
GETTIMEOFDAY(&request->msg_stats.deliver_done);
(void) DSN_FROM_DSN_BUF(why);
for (nrcpt = 0; nrcpt < SMTP_RCPT_LEFT(state); nrcpt++) {
rcpt = request->rcpt_list.info + nrcpt;
if (SMTP_RCPT_ISMARKED(rcpt))
continue;
status = (soft_error ? defer_append : bounce_append)
(DEL_REQ_TRACE_FLAGS(request->flags), request->queue_id,
&request->msg_stats, rcpt,
session ? session->namaddrport : "none", &why->dsn);
if (status == 0)
deliver_completed(state->src, rcpt->offset);
SMTP_RCPT_DROP(state, rcpt);
state->status |= status;
}
if ((state->misc_flags & SMTP_MISC_FLAG_COMPLETE_SESSION) == 0
&& throttle_queue && (soft_error || soft_bounce_error)
&& request->hop_status == 0)
request->hop_status = DSN_COPY(&why->dsn);
}
/*
* Don't cache this session. We can't talk to this server.
*/
if (throttle_queue && session)
DONT_CACHE_BAD_SESSION;
return (-1);
}
