>> Hi all.
>> I use LMTP transport to deliver mails into Cyrus and when asking
>> DSN success I got an action "relayed".
> Besides final delivery, LMTP is also used to deliver mail into
> content filters. The advantage of LMTP is that the protocol reports
> one end-of-message status for each recipient.
I didn't kown this usage
> - If the LMTP server announces DSN support then we know for sure
> that it is not doing final delivery.
> - If the LMTP server does not announce DSN support, then either it
> does final delivery, or it is poorly-implemented content filter.
> In terms of code, this would look like:
thanks, I tested successfully this approach, see below the resulting patch :
diff -crB postfix-2.5.6/src/global/mail_params.h
postfix-2.5.6-dsn/src/global/mail_params.h
*** postfix-2.5.6/src/global/mail_params.h 2008-07-27 19:10:27.000000000
+0000
--- postfix-2.5.6-dsn/src/global/mail_params.h 2009-02-23 09:07:29.000000000
+0000
***************
*** 1046,1051 ****
--- 1046,1055 ----
#define DEF_LMTP_PIX_DELAY "10s"
extern int var_smtp_pix_delay;
+ #define VAR_LMTP_ASSUME_FINAL "lmtp_assume_final"
+ #define DEF_LMTP_ASSUME_FINAL 0
+ extern bool var_lmtp_assume_final;
+
/*
* Courageous people may want to turn off PIX bug workarounds.
*/
diff -crB postfix-2.5.6/src/smtp/lmtp_params.c
postfix-2.5.6-dsn/src/smtp/lmtp_params.c
*** postfix-2.5.6/src/smtp/lmtp_params.c 2008-01-14 20:42:07.000000000
+0000
--- postfix-2.5.6-dsn/src/smtp/lmtp_params.c 2009-02-23 10:28:42.000000000
+0000
***************
*** 101,105 ****
--- 101,106 ----
VAR_LMTP_SENDER_AUTH, DEF_LMTP_SENDER_AUTH, &var_smtp_sender_auth,
VAR_LMTP_CNAME_OVERR, DEF_LMTP_CNAME_OVERR, &var_smtp_cname_overr,
VAR_LMTP_SASL_AUTH_SOFT_BOUNCE, DEF_LMTP_SASL_AUTH_SOFT_BOUNCE,
&var_smtp_sasl_auth_soft_bounce,
+ VAR_LMTP_ASSUME_FINAL, DEF_LMTP_ASSUME_FINAL, &var_lmtp_assume_final,
0,
};
diff -crB postfix-2.5.6/src/smtp/smtp.c postfix-2.5.6-dsn/src/smtp/smtp.c
*** postfix-2.5.6/src/smtp/smtp.c 2008-01-15 00:41:46.000000000 +0000
--- postfix-2.5.6-dsn/src/smtp/smtp.c 2009-02-23 13:57:37.000000000 +0000
***************
*** 571,576 ****
--- 571,582 ----
/* .IP "\fBsmtp_fallback_relay ($fallback_relay)\fR"
/* Optional list of relay hosts for SMTP destinations that can't be
/* found or that are unreachable.
+ /* .PP
+ /* Available with Postfix 2.5 and later:
+ /* .IP "\fBlmtp_assume_final (no)\fR"
+ /* Set LMTP transport as final delivery for DSN extension, so action
+ /* value is "delivered" instead of "relayed" for SUCCESS notification.
+ /* .PP
/* SEE ALSO
/* generic(5), output address rewriting
/* header_checks(5), message header content inspection
***************
*** 761,766 ****
--- 767,773 ----
char *var_smtp_mime_chks;
char *var_smtp_nest_chks;
char *var_smtp_body_chks;
+ bool var_lmtp_assume_final;
/* Special handling of 535 AUTH errors. */
char *var_smtp_sasl_auth_cache_name;
diff -crB postfix-2.5.6/src/smtp/smtp_rcpt.c
postfix-2.5.6-dsn/src/smtp/smtp_rcpt.c
*** postfix-2.5.6/src/smtp/smtp_rcpt.c 2006-01-07 21:16:40.000000000 +0000
--- postfix-2.5.6-dsn/src/smtp/smtp_rcpt.c 2009-02-23 11:04:56.000000000
+0000
***************
*** 116,121 ****
--- 116,122 ----
/* Global library. */
+ #include <mail_params.h>
#include <deliver_request.h> /* smtp_rcpt_done */
#include <deliver_completed.h> /* smtp_rcpt_done */
#include <sent.h> /* smtp_rcpt_done */
***************
*** 141,151 ****
*
* Note: the DSN action is ignored in case of address probes.
*/
! if (session->features & SMTP_FEATURE_DSN)
! rcpt->dsn_notify &= ~DSN_NOTIFY_SUCCESS;
- dsb_update(why, resp->dsn, "relayed", DSB_MTYPE_DNS, session->host,
- DSB_DTYPE_SMTP, resp->str, "%s", resp->str);
status = sent(DEL_REQ_TRACE_FLAGS(request->flags),
request->queue_id, &request->msg_stats, rcpt,
--- 142,162 ----
*
* Note: the DSN action is ignored in case of address probes.
*/
! if (session->features & SMTP_FEATURE_DSN) {
! /* delivery via pass-through content filter */
! rcpt->dsn_notify &= ~DSN_NOTIFY_SUCCESS;
! dsb_update(why, resp->dsn, "relayed", DSB_MTYPE_DNS, session->host,
! DSB_DTYPE_SMTP, resp->str, "%s", resp->str);
! } else if (var_lmtp_assume_final == 0) {
! /* backwards compatible */
! dsb_update(why, resp->dsn, "relayed", DSB_MTYPE_DNS, session->host,
! DSB_DTYPE_SMTP, resp->str, "%s", resp->str);
! } else {
! /* assume final delivery */
! dsb_update(why, resp->dsn, "delivered", DSB_MTYPE_DNS, session->host,
! DSB_DTYPE_SMTP, resp->str, "%s", resp->str);
! }
status = sent(DEL_REQ_TRACE_FLAGS(request->flags),
request->queue_id, &request->msg_stats, rcpt,
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