--- qmail-remote.c.orig	2013-12-29 00:14:52.121231962 +0100
+++ qmail-remote.c	2013-12-29 01:32:19.031320981 +0100
@@ -43,6 +43,8 @@
 struct constmap maproutes;
 stralloc host = {0};
 stralloc sender = {0};
+stralloc auth_smtp_user = {0};
+stralloc auth_smtp_pass = {0};
 
 saa reciplist = {0};
 
@@ -523,6 +525,7 @@
   unsigned long code;
   int flagbother;
   int i;
+  stralloc slop = {0};
 
 #ifndef PORT_SMTP
   /* the qmtpc patch uses smtp_port and undefines PORT_SMTP */
@@ -570,11 +573,42 @@
 #ifdef EHLO
   }
 #endif
- 
-  substdio_puts(&smtpto,"MAIL FROM:<");
-  substdio_put(&smtpto,sender.s,sender.len);
-  substdio_puts(&smtpto,">\r\n");
-  substdio_flush(&smtpto);
+
+  i = 0;
+  /*
+  while((i += str_chr(smtptext.s+i,'\n') + 1) && (i+14 < smtptext.len) &&
+    str_diffn(smtptext.s+i+4,"AUTH LOGIN\n",11) &&
+    str_diffn(smtptext.s+i+4,"AUTH LOGIN ",11) &&
+    str_diffn(smtptext.s+i+4,"AUTH PLAIN LOGIN\n",17) &&
+    str_diffn(smtptext.s+i+4,"AUTH PLAIN LOGIN ",17) &&
+    str_diffn(smtptext.s+i+4,"AUTH=LOGIN\n",11) &&
+    str_diffn(smtptext.s+i+4,"AUTH=LOGIN ",11)); */
+  if (/*(i+14 < smtptext.len) && */auth_smtp_user.len && auth_smtp_pass.len)  {
+    substdio_puts(&smtpto,"AUTH LOGIN\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 334) quit("ZConnected to "," but authentication was rejected (AUTH LOGIN)");
+    if (b64encode(&auth_smtp_user,&slop) < 0) temp_nomem();
+    substdio_put(&smtpto,slop.s,slop.len);
+    substdio_puts(&smtpto,"\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 334) quit("ZConnected to "," but authentication was rejected (username)");
+    if (b64encode(&auth_smtp_pass,&slop) < 0) temp_nomem();
+    substdio_put(&smtpto,slop.s,slop.len);
+    substdio_puts(&smtpto,"\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 235) quit("ZConnected to "," but authentication was rejected (password)");
+    substdio_puts(&smtpto,"MAIL FROM:<");
+    substdio_put(&smtpto,sender.s,sender.len);
+    substdio_puts(&smtpto,"> AUTH=<");
+    substdio_put(&smtpto,auth_smtp_user.s,auth_smtp_user.len);
+    substdio_puts(&smtpto,">\r\n");
+    substdio_flush(&smtpto);
+  } else {
+    substdio_puts(&smtpto,"MAIL FROM:<");
+    substdio_put(&smtpto,sender.s,sender.len);
+    substdio_puts(&smtpto,">\r\n");
+    substdio_flush(&smtpto);
+  }
   code = smtpcode();
   if (code >= 500) quit("DConnected to "," but sender was rejected");
   if (code >= 400) quit("ZConnected to "," but sender was rejected");
@@ -672,7 +706,7 @@
 char **argv;
 {
   static ipalloc ip = {0};
-  int i;
+  int i,j;
   unsigned long random;
   char **recips;
   unsigned long prefme;
@@ -687,6 +721,8 @@
  
  
   if (!stralloc_copys(&host,argv[1])) temp_nomem();
+  if (!stralloc_copys(&auth_smtp_user,"")) temp_nomem();
+  if (!stralloc_copys(&auth_smtp_pass,"")) temp_nomem();
  
   relayhost = 0;
   for (i = 0;i <= host.len;++i)
@@ -696,6 +732,16 @@
   if (relayhost && !*relayhost) relayhost = 0;
  
   if (relayhost) {
+    i = str_chr(relayhost,' ');
+    if (relayhost[i]) {
+      j = str_chr(relayhost + i + 1,' ');
+      if (relayhost[j]) {
+	relayhost[i] = 0;
+	relayhost[i + j + 1] = 0;
+	if (!stralloc_copys(&auth_smtp_user,relayhost + i + 1)) temp_nomem();
+	if (!stralloc_copys(&auth_smtp_pass,relayhost + i + j + 2)) temp_nomem();
+      }
+    }
     i = str_chr(relayhost,':');
     if (relayhost[i]) {
       scan_ulong(relayhost + i + 1,&port);
--- Makefile.orig	2013-12-29 00:14:52.081231961 +0100
+++ Makefile	2013-12-29 00:28:05.461247159 +0100
@@ -1445,13 +1445,13 @@
 load qmail-remote.o control.o constmap.o timeoutread.o timeoutwrite.o \
 timeoutconn.o tcpto.o now.o dns.o ip.o ipalloc.o ipme.o quote.o \
 ndelay.a case.a sig.a open.a lock.a seek.a getln.a stralloc.a alloc.a \
-substdio.a error.a str.a fs.a auto_qmail.o dns.lib socket.lib
+substdio.a error.a str.a fs.a auto_qmail.o base64.o dns.lib socket.lib
 	./load qmail-remote control.o constmap.o timeoutread.o \
 	timeoutwrite.o timeoutconn.o tcpto.o now.o dns.o ip.o \
 	tls.o ssl_timeoutio.o -L/usr/local/ssl/lib -lssl -lcrypto \
 	ipalloc.o ipme.o quote.o ndelay.a case.a sig.a open.a \
 	lock.a seek.a getln.a stralloc.a alloc.a substdio.a error.a \
-	str.a fs.a auto_qmail.o  `cat dns.lib` `cat socket.lib`
+	str.a fs.a auto_qmail.o base64.o  `cat dns.lib` `cat socket.lib`
 
 qmail-remote.0: \
 qmail-remote.8