SMTP-Client: add the stati of all delivery attempts to the status messages.
[citadel.git] / citadel / modules / smtp / serv_smtpqueue.c
index 0d1073558e4d32414e1102016783643858131fbf..fb74ed2ad76d7afc6b31bb0a5e1c133701c79857 100644 (file)
@@ -86,6 +86,7 @@
 #include "ctdl_module.h"
 
 #include "smtpqueue.h"
+#include "smtp_clienthandlers.h"
 #include "event_client.h"
 
 
@@ -93,6 +94,7 @@ struct CitContext smtp_queue_CC;
 pthread_mutex_t ActiveQItemsLock;
 HashList *ActiveQItems  = NULL;
 HashList *QItemHandlers = NULL;
+const unsigned short DefaultMXPort = 25;
 int max_sessions_for_outbound_smtp = 500; /* how many sessions might be active till we stop adding more smtp jobs */
 int ndelay_count = 50; /* every n queued messages we will sleep... */
 int delay_msec = 5000; /* this many seconds. */
@@ -101,6 +103,15 @@ static const long MaxRetry = SMTP_RETRY_INTERVAL * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2
 int MsgCount            = 0;
 int run_queue_now       = 0;   /* Set to 1 to ignore SMTP send retry times */
 
+void RegisterQItemHandler(const char *Key, long Len, QItemHandler H)
+{
+       QItemHandlerStruct *HS = (QItemHandlerStruct*)malloc(sizeof(QItemHandlerStruct));
+       HS->H = H;
+       Put(QItemHandlers, Key, Len, HS, NULL);
+}
+
+
+
 void smtp_try_one_queue_entry(OneQueItem *MyQItem,
                              MailQEntry *MyQEntry,
                              StrBuf *MsgText,
@@ -132,6 +143,22 @@ int DecreaseQReference(OneQueItem *MyQItem)
        return IDestructQueItem;
 }
 
+void DecreaseShutdownDeliveries(OneQueItem *MyQItem)
+{
+       pthread_mutex_lock(&ActiveQItemsLock);
+       MyQItem->NotYetShutdownDeliveries--;
+       pthread_mutex_unlock(&ActiveQItemsLock);
+}
+
+int GetShutdownDeliveries(OneQueItem *MyQItem)
+{
+       int DestructNow;
+
+       pthread_mutex_lock(&ActiveQItemsLock);
+       DestructNow = MyQItem->ActiveDeliveries == 0;
+       pthread_mutex_unlock(&ActiveQItemsLock);
+       return DestructNow;
+}
 void RemoveQItem(OneQueItem *MyQItem)
 {
        long len;
@@ -145,13 +172,13 @@ void RemoveQItem(OneQueItem *MyQItem)
                DeleteEntryFromHash(ActiveQItems, It);
        else
        {
-               syslog(LOG_WARNING,
-                      "SMTP cleanup: unable to find QItem with ID[%ld]",
-                      MyQItem->MessageID);
+               SMTPC_syslog(LOG_WARNING,
+                            "unable to find QItem with ID[%ld]",
+                            MyQItem->MessageID);
                while (GetNextHashPos(ActiveQItems, It, &len, &Key, &VData))
-                       syslog(LOG_WARNING,
-                              "SMTP cleanup: have_: ID[%ld]",
-                              ((OneQueItem *)VData)->MessageID);
+                       SMTPC_syslog(LOG_WARNING,
+                                    "have_: ID[%ld]",
+                                    ((OneQueItem *)VData)->MessageID);
        }
        pthread_mutex_unlock(&ActiveQItemsLock);
        DeleteHashPos(&It);
@@ -162,19 +189,19 @@ void FreeMailQEntry(void *qv)
 {
        MailQEntry *Q = qv;
 /*
-       syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
+       SMTPC_syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
        cit_backtrace();
 */
        FreeStrBuf(&Q->Recipient);
        FreeStrBuf(&Q->StatusMessage);
-
+       FreeStrBuf(&Q->AllStatusMessages);
        memset(Q, 0, sizeof(MailQEntry));
        free(Q);
 }
 void FreeQueItem(OneQueItem **Item)
 {
 /*
-       syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
+       SMTPC_syslog(LOG_DEBUG, "---------------%s--------------", __FUNCTION__);
        cit_backtrace();
 */
        DeleteHash(&(*Item)->MailQEntries);
@@ -219,7 +246,7 @@ int CheckQEntryIsBounce(MailQEntry *ThisItem)
                return 0;
 }      
 
-int CountActiveQueueEntries(OneQueItem *MyQItem)
+int CountActiveQueueEntries(OneQueItem *MyQItem, int before)
 {
        HashPos  *It;
        long len;
@@ -231,15 +258,20 @@ int CountActiveQueueEntries(OneQueItem *MyQItem)
        It = GetNewHashPos(MyQItem->MailQEntries, 0);
        while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
        {
+               int Active;
                MailQEntry *ThisItem = vQE;
 
                if (CheckQEntryActive(ThisItem))
                {
                        ActiveDeliveries++;
-                       ThisItem->Active = 1;
+                       Active = 1;
                }
                else
-                       ThisItem->Active = 0;
+                       Active = 0;
+               if (before)
+                       ThisItem->Active = Active;
+               else
+                       ThisItem->StillActive = Active;
        }
        DeleteHashPos(&It);
        return ActiveDeliveries;
@@ -270,9 +302,9 @@ OneQueItem *DeserializeQueueItem(StrBuf *RawQItem, long QueMsgID)
                StrBufExtract_NextToken(Token, Line, &pItemPart, '|');
                if (GetHash(QItemHandlers, SKEY(Token), &vHandler))
                {
-                       QItemHandler H;
-                       H = (QItemHandler) vHandler;
-                       H(Item, Line, &pItemPart);
+                       QItemHandlerStruct *HS;
+                       HS = (QItemHandlerStruct*) vHandler;
+                       HS->H(Item, Line, &pItemPart);
                }
        }
        FreeStrBuf(&Line);
@@ -341,7 +373,7 @@ StrBuf *SerializeQueueItem(OneQueItem *MyQItem)
 
        StrBufAppendBufPlain(QMessage, HKEY("\nattempted|"), 0);
        StrBufAppendPrintf(QMessage, "%ld",
-                          MyQItem->ReattemptWhen);
+                          time(NULL) /*ctdl_ev_now()*/ + MyQItem->Retry);
 
        It = GetNewHashPos(MyQItem->MailQEntries, 0);
        while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
@@ -353,7 +385,10 @@ StrBuf *SerializeQueueItem(OneQueItem *MyQItem)
                StrBufAppendBufPlain(QMessage, HKEY("|"), 0);
                StrBufAppendPrintf(QMessage, "%d", ThisItem->Status);
                StrBufAppendBufPlain(QMessage, HKEY("|"), 0);
-               StrBufAppendBuf(QMessage, ThisItem->StatusMessage, 0);
+               if (ThisItem->AllStatusMessages != NULL)
+                       StrBufAppendBuf(QMessage, ThisItem->AllStatusMessages, 0);
+               else
+                       StrBufAppendBuf(QMessage, ThisItem->StatusMessage, 0);
        }
        DeleteHashPos(&It);
        StrBufAppendBufPlain(QMessage, HKEY("\n"), 0);
@@ -371,7 +406,8 @@ void NewMailQEntry(OneQueItem *Item)
 
        if (Item->MailQEntries == NULL)
                Item->MailQEntries = NewHash(1, Flathash);
-       Item->Current->StatusMessage = NewStrBuf();
+       /* alocate big buffer so we won't get problems reallocating later. */
+       Item->Current->StatusMessage = NewStrBufPlain(NULL, SIZ);
        Item->Current->n = GetCount(Item->MailQEntries);
        Put(Item->MailQEntries,
            IKEY(Item->Current->n),
@@ -422,7 +458,10 @@ void QItem_Handle_retry(OneQueItem *Item, StrBuf *Line, const char **Pos)
 {
        Item->Retry =
                StrBufExtractNext_int(Line, Pos, '|');
-       Item->Retry *= 2;
+       if (Item->Retry == 0)
+               Item->Retry = SMTP_RETRY_INTERVAL;
+       else
+               Item->Retry *= 2;
 }
 
 
@@ -442,7 +481,7 @@ void QItem_Handle_Attempted(OneQueItem *Item, StrBuf *Line, const char **Pos)
 /**
  * this one has to have the context for loading the message via the redirect buffer...
  */
-StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n)
+StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n, char **Author, char **Address)
 {
        CitContext *CCC=CC;
        StrBuf *SendMsg;
@@ -451,17 +490,19 @@ StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n)
        CtdlOutputMsg(MyQItem->MessageID,
                      MT_RFC822, HEADERS_ALL,
                      0, 1, NULL,
-                     (ESC_DOT|SUPPRESS_ENV_TO) );
+                     (ESC_DOT|SUPPRESS_ENV_TO),
+                     Author,
+                     Address);
 
        SendMsg = CCC->redirect_buffer;
        CCC->redirect_buffer = NULL;
        if ((StrLength(SendMsg) > 0) &&
            ChrPtr(SendMsg)[StrLength(SendMsg) - 1] != '\n') {
-               syslog(LOG_WARNING,
-                      "SMTP client[%d]: Possible problem: message did not "
-                      "correctly terminate. (expecting 0x10, got 0x%02x)\n",
-                      MsgCount, //yes uncool, but best choice here...
-                      ChrPtr(SendMsg)[StrLength(SendMsg) - 1] );
+               SMTPC_syslog(LOG_WARNING,
+                            "[%d] Possible problem: message did not "
+                            "correctly terminate. (expecting 0x10, got 0x%02x)\n",
+                            MsgCount, //yes uncool, but best choice here...
+                            ChrPtr(SendMsg)[StrLength(SendMsg) - 1] );
                StrBufAppendBufPlain(SendMsg, HKEY("\r\n"), 0);
        }
        return SendMsg;
@@ -474,7 +515,7 @@ StrBuf *smtp_load_msg(OneQueItem *MyQItem, int n)
  * instructions for "5" codes (permanent fatal errors) and produce/deliver
  * a "bounce" message (delivery status notification).
  */
-void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
+void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt, ParsedURL *Relay)
 {
        static int seq = 0;
 
@@ -495,12 +536,12 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        int num_bounces = 0;
        int give_up = 0;
 
-       syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
+       SMTPCM_syslog(LOG_DEBUG, "smtp_do_bounce() called\n");
 
        if (MyQItem->SendBounceMail == 0)
                return;
 
-       now = ev_time();
+       now = time (NULL); //ev_time();
 
        if ( (now - MyQItem->Submitted) > SMTP_GIVE_UP ) {
                give_up = 1;
@@ -525,6 +566,7 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
                {
                        ++num_bounces;
 
+                       StrBufAppendBufPlain(Msg, HKEY(" "), 0);
                        StrBufAppendBuf(Msg, ThisItem->Recipient, 0);
                        StrBufAppendBufPlain(Msg, HKEY(": "), 0);
                        StrBufAppendBuf(Msg, ThisItem->StatusMessage, 0);
@@ -534,13 +576,29 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        DeleteHashPos(&It);
 
        /* Deliver the bounce if there's anything worth mentioning */
-       syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
+       SMTPC_syslog(LOG_DEBUG, "num_bounces = %d\n", num_bounces);
 
        if (num_bounces == 0) {
                FreeStrBuf(&Msg);
                return;
        }
 
+       if ((StrLength(MyQItem->SenderRoom) == 0) && MyQItem->HaveRelay) {
+               const char *RelayUrlStr = "[not found]";
+               /* one message that relaying is broken is enough; no extra room error message. */
+               StrBuf *RelayDetails = NewStrBuf();
+
+               if (Relay != NULL)
+                       RelayUrlStr = ChrPtr(Relay->URL);
+
+               StrBufPrintf(RelayDetails,
+                            "Relaying via %s failed permanently. \n Reason:\n%s\n Revalidate your relay configuration.",
+                            RelayUrlStr,
+                            ChrPtr(Msg));
+                CtdlAideMessage(ChrPtr(RelayDetails), "Relaying Failed");
+               FreeStrBuf(&RelayDetails);
+       }
+
        boundary = NewStrBufPlain(HKEY("=_Citadel_Multipart_"));
        StrBufAppendPrintf(boundary,
                           "%s_%04x%04x",
@@ -556,7 +614,7 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
                StrLength(OMsgTxt)); /* the original message */
        if (BounceMB == NULL) {
                FreeStrBuf(&boundary);
-               syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
+               SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
 
                return;
        }
@@ -565,7 +623,7 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        if (bmsg == NULL) {
                FreeStrBuf(&boundary);
                FreeStrBuf(&BounceMB);
-               syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
+               SMTPCM_syslog(LOG_ERR, "Failed to alloc() bounce message.\n");
 
                return;
        }
@@ -618,7 +676,7 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        }
 
        /* Attach the original message */
-       StrBufAppendBufPlain(BounceMB, HKEY("--"), 0);
+       StrBufAppendBufPlain(BounceMB, HKEY("\r\n--"), 0);
        StrBufAppendBuf(BounceMB, boundary, 0);
        StrBufAppendBufPlain(BounceMB, HKEY("\r\n"), 0);
        StrBufAppendBufPlain(BounceMB,
@@ -646,11 +704,13 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        bmsg->cm_fields['M'] = SmashStrBuf(&BounceMB);
 
        /* First try the user who sent the message */
-       if (StrLength(MyQItem->BounceTo) == 0)
-               syslog(LOG_ERR, "No bounce address specified\n");
-       else
-               syslog(LOG_DEBUG, "bounce to user? <%s>\n",
+       if (StrLength(MyQItem->BounceTo) == 0) {
+               SMTPCM_syslog(LOG_ERR, "No bounce address specified\n");
+       }
+       else {
+               SMTPC_syslog(LOG_DEBUG, "bounce to user? <%s>\n",
                       ChrPtr(MyQItem->BounceTo));
+       }
 
        /* Can we deliver the bounce to the original sender? */
        valid = validate_recipients(ChrPtr(MyQItem->BounceTo), NULL, 0);
@@ -668,17 +728,95 @@ void smtpq_do_bounce(OneQueItem *MyQItem, StrBuf *OMsgTxt)
        free_recipients(valid);
        FreeStrBuf(&boundary);
        CtdlFreeMessage(bmsg);
-       syslog(LOG_DEBUG, "Done processing bounces\n");
+       SMTPCM_syslog(LOG_DEBUG, "Done processing bounces\n");
 }
 
+ParsedURL *LoadRelayUrls(OneQueItem *MyQItem,
+                        char *Author,
+                        char *Address)
+{
+       int nRelays = 0;
+       ParsedURL *RelayUrls = NULL;
+       char mxbuf[SIZ];
+       ParsedURL **Url = &MyQItem->URL;
+
+       nRelays = get_hosts(mxbuf, "fallbackhost");
+       if (nRelays > 0) {
+               StrBuf *All;
+               StrBuf *One;
+               const char *Pos = NULL;
+               All = NewStrBufPlain(mxbuf, -1);
+               One = NewStrBufPlain(NULL, StrLength(All) + 1);
+               
+               while ((Pos != StrBufNOTNULL) &&
+                      ((Pos == NULL) ||
+                       !IsEmptyStr(Pos)))
+               {
+                       StrBufExtract_NextToken(One, All, &Pos, '|');
+                       if (!ParseURL(Url, One, DefaultMXPort)) {
+                               SMTPC_syslog(LOG_DEBUG,
+                                            "Failed to parse: %s\n",
+                                            ChrPtr(One));
+                       }
+                       else {
+                               (*Url)->IsRelay = 1;
+                               MyQItem->HaveRelay = 1;
+                       }
+               }
+               FreeStrBuf(&All);
+               FreeStrBuf(&One);
+       }
+       nRelays = get_hosts(mxbuf, "smarthost");
+       if (nRelays > 0) {
+               char *User;
+               StrBuf *All;
+               StrBuf *One;
+               const char *Pos = NULL;
+               All = NewStrBufPlain(mxbuf, -1);
+               One = NewStrBufPlain(NULL, StrLength(All) + 1);
+               
+               while ((Pos != StrBufNOTNULL) &&
+                      ((Pos == NULL) ||
+                       !IsEmptyStr(Pos)))
+               {
+                       StrBufExtract_NextToken(One, All, &Pos, '|');
+                       User = strchr(ChrPtr(One), ' ');
+                       if (User != NULL) {
+                               if (!strcmp(User + 1, Author) ||
+                                   !strcmp(User + 1, Address))
+                                       StrBufCutAt(One, 0, User);
+                               else {
+                                       MyQItem->HaveRelay = 1;
+                                       continue;
+                               }
+                       }
+                       if (!ParseURL(Url, One, DefaultMXPort)) {
+                               SMTPC_syslog(LOG_DEBUG,
+                                            "Failed to parse: %s\n",
+                                            ChrPtr(One));
+                       }
+                       else {
+                               ///if (!Url->IsIP)) // todo dupe me fork ipv6
+                               (*Url)->IsRelay = 1;
+                               MyQItem->HaveRelay = 1;
+                       }
+               }
+               FreeStrBuf(&All);
+               FreeStrBuf(&One);
+       }
+       return RelayUrls;
+}
 /*
  * smtp_do_procmsg()
  *
  * Called by smtp_do_queue() to handle an individual message.
  */
 void smtp_do_procmsg(long msgnum, void *userdata) {
+       time_t now;
        int mynumsessions = num_sessions;
        struct CtdlMessage *msg = NULL;
+       char *Author = NULL;
+       char *Address = NULL;
        char *instr = NULL;
        StrBuf *PlainQItem;
        OneQueItem *MyQItem;
@@ -687,24 +825,22 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
        void *vQE;
        long len;
        const char *Key;
-       int nRelays = 0;
-       ParsedURL *RelayUrls = NULL;
        int HaveBuffers = 0;
        StrBuf *Msg =NULL;
 
        if (mynumsessions > max_sessions_for_outbound_smtp) {
-               syslog(LOG_DEBUG,
-                      "SMTP Queue: skipping because of num jobs %d > %d max_sessions_for_outbound_smtp",
-                      mynumsessions,
-                      max_sessions_for_outbound_smtp);
+               SMTPC_syslog(LOG_DEBUG,
+                            "skipping because of num jobs %d > %d max_sessions_for_outbound_smtp",
+                            mynumsessions,
+                            max_sessions_for_outbound_smtp);
        }
 
-       syslog(LOG_DEBUG, "SMTP Queue: smtp_do_procmsg(%ld)\n", msgnum);
+       SMTPC_syslog(LOG_DEBUG, "smtp_do_procmsg(%ld)\n", msgnum);
        ///strcpy(envelope_from, "");
 
        msg = CtdlFetchMessage(msgnum, 1);
        if (msg == NULL) {
-               syslog(LOG_ERR, "SMTP Queue: tried %ld but no such message!\n",
+               SMTPC_syslog(LOG_ERR, "tried %ld but no such message!\n",
                       msgnum);
                return;
        }
@@ -725,20 +861,23 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
        FreeStrBuf(&PlainQItem);
 
        if (MyQItem == NULL) {
-               syslog(LOG_ERR,
-                      "SMTP Queue: Msg No %ld: already in progress!\n",
-                      msgnum);
+               SMTPC_syslog(LOG_ERR,
+                            "Msg No %ld: already in progress!\n",
+                            msgnum);
                return; /* s.b. else is already processing... */
        }
 
        /*
         * Postpone delivery if we've already tried recently.
         */
+       now = time(NULL);
        if ((MyQItem->ReattemptWhen != 0) && 
-           (time(NULL) < MyQItem->ReattemptWhen) &&
+           (now < MyQItem->ReattemptWhen) &&
            (run_queue_now == 0))
        {
-               syslog(LOG_DEBUG, "SMTP client: Retry time not yet reached.\n");
+               SMTPC_syslog(LOG_DEBUG, 
+                            "Retry time not yet reached. %ld seconds left.",
+                            MyQItem->ReattemptWhen - now);
 
                It = GetNewHashPos(MyQItem->MailQEntries, 0);
                pthread_mutex_lock(&ActiveQItemsLock);
@@ -760,7 +899,7 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
         * Bail out if there's no actual message associated with this
         */
        if (MyQItem->MessageID < 0L) {
-               syslog(LOG_ERR, "SMTP Queue: no 'msgid' directive found!\n");
+               SMTPCM_syslog(LOG_ERR, "no 'msgid' directive found!\n");
                It = GetNewHashPos(MyQItem->MailQEntries, 0);
                pthread_mutex_lock(&ActiveQItemsLock);
                {
@@ -777,72 +916,19 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
                return;
        }
 
-       {
-               char mxbuf[SIZ];
-               ParsedURL **Url = &MyQItem->URL;
-               nRelays = get_hosts(mxbuf, "smarthost");
-               if (nRelays > 0) {
-                       StrBuf *All;
-                       StrBuf *One;
-                       const char *Pos = NULL;
-                       All = NewStrBufPlain(mxbuf, -1);
-                       One = NewStrBufPlain(NULL, StrLength(All) + 1);
-
-                       while ((Pos != StrBufNOTNULL) &&
-                              ((Pos == NULL) ||
-                               !IsEmptyStr(Pos)))
-                       {
-                               StrBufExtract_NextToken(One, All, &Pos, '|');
-                               if (!ParseURL(Url, One, 25))
-                                       syslog(LOG_DEBUG,
-                                              "Failed to parse: %s\n",
-                                              ChrPtr(One));
-                               else {
-                                       ///if (!Url->IsIP)) // todo dupe me fork ipv6
-                                       Url = &(*Url)->Next;
-                               }
-                       }
-                       FreeStrBuf(&All);
-                       FreeStrBuf(&One);
-               }
-
-               Url = &MyQItem->FallBackHost;
-               nRelays = get_hosts(mxbuf, "fallbackhost");
-               if (nRelays > 0) {
-                       StrBuf *All;
-                       StrBuf *One;
-                       const char *Pos = NULL;
-                       All = NewStrBufPlain(mxbuf, -1);
-                       One = NewStrBufPlain(NULL, StrLength(All) + 1);
-
-                       while ((Pos != StrBufNOTNULL) &&
-                              ((Pos == NULL) ||
-                               !IsEmptyStr(Pos)))
-                       {
-                               StrBufExtract_NextToken(One, All, &Pos, '|');
-                               if (!ParseURL(Url, One, 25))
-                                       syslog(LOG_DEBUG,
-                                              "Failed to parse: %s\n",
-                                              ChrPtr(One));
-                               else
-                                       Url = &(*Url)->Next;
-                       }
-                       FreeStrBuf(&All);
-                       FreeStrBuf(&One);
-               }
-       }
 
        It = GetNewHashPos(MyQItem->MailQEntries, 0);
        while (GetNextHashPos(MyQItem->MailQEntries, It, &len, &Key, &vQE))
        {
                MailQEntry *ThisItem = vQE;
-               syslog(LOG_DEBUG, "SMTP Queue: Task: <%s> %d\n",
-                      ChrPtr(ThisItem->Recipient),
-                      ThisItem->Active);
+               SMTPC_syslog(LOG_DEBUG, "SMTP Queue: Task: <%s> %d\n",
+                            ChrPtr(ThisItem->Recipient),
+                            ThisItem->Active);
        }
        DeleteHashPos(&It);
 
-       MyQItem->ActiveDeliveries = CountActiveQueueEntries(MyQItem);
+       MyQItem->NotYetShutdownDeliveries = 
+               MyQItem->ActiveDeliveries = CountActiveQueueEntries(MyQItem, 1);
 
        /* failsafe against overload: 
         * will we exceed the limit set? 
@@ -854,11 +940,11 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
            (((MyQItem->ActiveDeliveries * 2)  < max_sessions_for_outbound_smtp)))
        {
                /* abort delivery for another time. */
-               syslog(LOG_DEBUG,
-                      "SMTP Queue: skipping because of num jobs %d + %ld > %d max_sessions_for_outbound_smtp",
-                      mynumsessions,
-                      MyQItem->ActiveDeliveries,
-                      max_sessions_for_outbound_smtp);
+               SMTPC_syslog(LOG_DEBUG,
+                            "SMTP Queue: skipping because of num jobs %d + %ld > %d max_sessions_for_outbound_smtp",
+                            mynumsessions,
+                            MyQItem->ActiveDeliveries,
+                            max_sessions_for_outbound_smtp);
 
                FreeQueItem(&MyQItem);
 
@@ -868,12 +954,60 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
 
        if (MyQItem->ActiveDeliveries > 0)
        {
+               ParsedURL *RelayUrls = NULL;
                int nActivated = 0;
                int n = MsgCount++;
                int m = MyQItem->ActiveDeliveries;
                int i = 1;
-               Msg = smtp_load_msg(MyQItem, n);
+
                It = GetNewHashPos(MyQItem->MailQEntries, 0);
+
+               Msg = smtp_load_msg(MyQItem, n, &Author, &Address);
+               RelayUrls = LoadRelayUrls(MyQItem, Author, Address);
+               if ((RelayUrls == NULL) && MyQItem->HaveRelay) {
+
+                       while ((i <= m) &&
+                              (GetNextHashPos(MyQItem->MailQEntries,
+                                              It, &len, &Key, &vQE)))
+                       {
+                               int KeepBuffers = (i == m);
+                               MailQEntry *ThisItem = vQE;
+                               StrBufPrintf(ThisItem->StatusMessage,
+                                            "No relay configured matching %s / %s", 
+                                            (Author != NULL)? Author : "",
+                                            (Address != NULL)? Address : "");
+                               ThisItem->Status = 5;
+
+                               nActivated++;
+
+                               if (i > 1) n = MsgCount++;
+                               syslog(LOG_INFO,
+                                      "SMTPC: giving up on <%ld> <%s> %d / %d \n",
+                                      MyQItem->MessageID,
+                                      ChrPtr(ThisItem->Recipient),
+                                      i,
+                                      m);
+                               (*((int*) userdata)) ++;
+                               smtp_try_one_queue_entry(MyQItem,
+                                                        ThisItem,
+                                                        Msg,
+                                                        KeepBuffers,
+                                                        n,
+                                                        RelayUrls);
+
+                               if (KeepBuffers) HaveBuffers = 1;
+
+                               i++;
+                       }
+                       if (Author != NULL) free (Author);
+                       if (Address != NULL) free (Address);
+                       DeleteHashPos(&It);
+
+                       return;
+               }
+               if (Author != NULL) free (Author);
+               if (Address != NULL) free (Address);
+
                while ((i <= m) &&
                       (GetNextHashPos(MyQItem->MailQEntries,
                                       It, &len, &Key, &vQE)))
@@ -890,11 +1024,12 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
 
                                if (i > 1) n = MsgCount++;
                                syslog(LOG_DEBUG,
-                                      "SMTPQ: Trying <%ld> <%s> %d / %d \n",
+                                      "SMTPC: Trying <%ld> <%s> %d / %d \n",
                                       MyQItem->MessageID,
                                       ChrPtr(ThisItem->Recipient),
                                       i,
                                       m);
+                               (*((int*) userdata)) ++;
                                smtp_try_one_queue_entry(MyQItem,
                                                         ThisItem,
                                                         Msg,
@@ -926,19 +1061,18 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
                                const char* Key;
                                void *VData;
 
-                               syslog(LOG_WARNING,
-                                      "SMTP cleanup: unable to find "
-                                      "QItem with ID[%ld]",
-                                      MyQItem->MessageID);
+                               SMTPC_syslog(LOG_WARNING,
+                                            "unable to find QItem with ID[%ld]",
+                                            MyQItem->MessageID);
                                while (GetNextHashPos(ActiveQItems,
                                                      It,
                                                      &len,
                                                      &Key,
                                                      &VData))
                                {
-                                       syslog(LOG_WARNING,
-                                              "SMTP cleanup: have: ID[%ld]",
-                                             ((OneQueItem *)VData)->MessageID);
+                                       SMTPC_syslog(LOG_WARNING,
+                                                    "have: ID[%ld]",
+                                                    ((OneQueItem *)VData)->MessageID);
                                }
                        }
 
@@ -964,18 +1098,14 @@ void smtp_do_procmsg(long msgnum, void *userdata) {
  * Run through the queue sending out messages.
  */
 void smtp_do_queue(void) {
-       static int is_running = 0;
        int num_processed = 0;
-
-       if (is_running)
-               return; /* Concurrency check - only one can run */
-       is_running = 1;
+       int num_activated = 0;
 
        pthread_setspecific(MyConKey, (void *)&smtp_queue_CC);
-       syslog(LOG_INFO, "SMTP client: processing outbound queue");
+       SMTPCM_syslog(LOG_INFO, "processing outbound queue");
 
        if (CtdlGetRoom(&CC->room, SMTP_SPOOLOUT_ROOM) != 0) {
-               syslog(LOG_ERR, "Cannot find room <%s>", SMTP_SPOOLOUT_ROOM);
+               SMTPC_syslog(LOG_ERR, "Cannot find room <%s>", SMTP_SPOOLOUT_ROOM);
        }
        else {
                num_processed = CtdlForEachMessage(MSGS_ALL,
@@ -984,14 +1114,12 @@ void smtp_do_queue(void) {
                                                   SPOOLMIME,
                                                   NULL,
                                                   smtp_do_procmsg,
-                                                  NULL);
+                                                  &num_activated);
        }
-       syslog(LOG_INFO,
-              "SMTP client: queue run completed; %d messages processed",
-              num_processed);
+       SMTPC_syslog(LOG_INFO,
+                    "queue run completed; %d messages processed %d activated",
+                    num_processed, num_activated);
 
-       run_queue_now = 0;
-       is_running = 0;
 }
 
 
@@ -1089,20 +1217,21 @@ CTDL_MODULE_INIT(smtp_queu)
 
                QItemHandlers = NewHash(0, NULL);
 
-               Put(QItemHandlers, HKEY("msgid"), QItem_Handle_MsgID, reference_free_handler);
-               Put(QItemHandlers, HKEY("envelope_from"), QItem_Handle_EnvelopeFrom, reference_free_handler);
-               Put(QItemHandlers, HKEY("retry"), QItem_Handle_retry, reference_free_handler);
-               Put(QItemHandlers, HKEY("attempted"), QItem_Handle_Attempted, reference_free_handler);
-               Put(QItemHandlers, HKEY("remote"), QItem_Handle_Recipient, reference_free_handler);
-               Put(QItemHandlers, HKEY("bounceto"), QItem_Handle_BounceTo, reference_free_handler);
-               Put(QItemHandlers, HKEY("source_room"), QItem_Handle_SenderRoom, reference_free_handler);
-               Put(QItemHandlers, HKEY("submitted"), QItem_Handle_Submitted, reference_free_handler);
+               RegisterQItemHandler(HKEY("msgid"),             QItem_Handle_MsgID);
+               RegisterQItemHandler(HKEY("envelope_from"),     QItem_Handle_EnvelopeFrom);
+               RegisterQItemHandler(HKEY("retry"),             QItem_Handle_retry);
+               RegisterQItemHandler(HKEY("attempted"),         QItem_Handle_Attempted);
+               RegisterQItemHandler(HKEY("remote"),            QItem_Handle_Recipient);
+               RegisterQItemHandler(HKEY("bounceto"),          QItem_Handle_BounceTo);
+               RegisterQItemHandler(HKEY("source_room"),       QItem_Handle_SenderRoom);
+               RegisterQItemHandler(HKEY("submitted"),         QItem_Handle_Submitted);
+
                smtp_init_spoolout();
 
                CtdlRegisterEVCleanupHook(smtp_evq_cleanup);
 
                CtdlRegisterProtoHook(cmd_smtp, "SMTP", "SMTP utility commands");
-               CtdlRegisterSessionHook(smtp_do_queue, EVT_TIMER);
+               CtdlRegisterSessionHook(smtp_do_queue, EVT_TIMER, PRIO_SEND + 10);
        }
 
        /* return our Subversion id for the Log */