This patch fixes a signal 11 bug in the SMTPD policy client when
SASL support is compiled in but not turned on in the SMTP server.

Prereq: "2.1.0"
diff -cr /tmp/postfix-2.1.0/src/global/mail_version.h ./src/global/mail_version.h
*** /tmp/postfix-2.1.0/src/global/mail_version.h	Thu Apr 22 19:00:31 2004
--- ./src/global/mail_version.h	Mon May  3 12:57:50 2004
***************
*** 20,27 ****
    * Patches change the patchlevel and the release date. Snapshots change the
    * release date only.
    */
! #define MAIL_RELEASE_DATE	"20040422"
! #define MAIL_VERSION_NUMBER	"2.1.0"
  
  #define VAR_MAIL_VERSION	"mail_version"
  #ifdef SNAPSHOT
--- 20,27 ----
    * Patches change the patchlevel and the release date. Snapshots change the
    * release date only.
    */
! #define MAIL_RELEASE_DATE	"20040503"
! #define MAIL_VERSION_NUMBER	"2.1.1"
  
  #define VAR_MAIL_VERSION	"mail_version"
  #ifdef SNAPSHOT
diff -cr /tmp/postfix-2.1.0/HISTORY ./HISTORY
*** /tmp/postfix-2.1.0/HISTORY	Thu Apr 22 15:00:32 2004
--- ./HISTORY	Mon May  3 13:31:10 2004
***************
*** 9351,9353 ****
--- 9351,9358 ----
  	overshoot limit (default: smtpd_recipient_overshoot_limit
  	= 1000).  Solution in cooperation with Victor Duchovni.
  	Files:  smtpd/smtpd.c, smtpd/smtpd_state.c, smtpd/smtpd.h.
+ 
+ 20040503
+ 
+ 	Bugfix: missing "sasl enabled" guard in the SMTPD policy
+ 	client.  File: smtpd/smtpd_check.c.
diff -cr /tmp/postfix-2.1.0/html/smtpd.8.html ./html/smtpd.8.html
*** /tmp/postfix-2.1.0/html/smtpd.8.html	Wed Apr 21 17:11:01 2004
--- ./html/smtpd.8.html	Mon May  3 13:21:16 2004
***************
*** 434,440 ****
                Postfix SMTP server starts to increment  the  error
                counter with each junk command.
  
!        <b>smtpd_recipient_overshoot_limit (1000)</b>
                The  number of recipients that a remote SMTP client
                can send in excess  of  the  limit  specified  with
                $<a href="postconf.5.html#smtpd_recipient_limit">smtpd_recipient_limit</a>,  before  the  Postfix  SMTP
--- 434,440 ----
                Postfix SMTP server starts to increment  the  error
                counter with each junk command.
  
!        <b><a href="postconf.5.html#smtpd_recipient_overshoot_limit">smtpd_recipient_overshoot_limit</a> (1000)</b>
                The  number of recipients that a remote SMTP client
                can send in excess  of  the  limit  specified  with
                $<a href="postconf.5.html#smtpd_recipient_limit">smtpd_recipient_limit</a>,  before  the  Postfix  SMTP
diff -cr /tmp/postfix-2.1.0/mantools/postlink ./mantools/postlink
*** /tmp/postfix-2.1.0/mantools/postlink	Thu Apr 22 14:42:01 2004
--- ./mantools/postlink	Mon May  3 13:30:05 2004
***************
*** 340,345 ****
--- 340,346 ----
  	s;[[:<:]]smtpd_junk_command_limit[[:>:]];<a href="postconf.5.html#smtpd_junk_command_limit">&</a>;g
  	s;[[:<:]]smtpd_noop_commands[[:>:]];<a href="postconf.5.html#smtpd_noop_commands">&</a>;g
  	s;[[:<:]]smtpd_null_access_lookup_key[[:>:]];<a href="postconf.5.html#smtpd_null_access_lookup_key">&</a>;g
+ 	s;[[:<:]]smtpd_recipient_overshoot_limit[[:>:]];<a href="postconf.5.html#smtpd_recipient_overshoot_limit">&</a>;g
  	s;[[:<:]]smtpd_policy_service_max_idle[[:>:]];<a href="postconf.5.html#smtpd_policy_service_max_idle">&</a>;g
  	s;[[:<:]]smtpd_policy_service_max_ttl[[:>:]];<a href="postconf.5.html#smtpd_policy_service_max_ttl">&</a>;g
  	s;[[:<:]]smtpd_policy_service_timeout[[:>:]];<a href="postconf.5.html#smtpd_policy_service_timeout">&</a>;g
diff -cr /tmp/postfix-2.1.0/proto/SMTPD_POLICY_README.html ./proto/SMTPD_POLICY_README.html
*** /tmp/postfix-2.1.0/proto/SMTPD_POLICY_README.html	Sat Apr 10 22:43:21 2004
--- ./proto/SMTPD_POLICY_README.html	Fri Apr 23 10:04:43 2004
***************
*** 216,222 ****
  <blockquote>
  <pre>
   1 /etc/postfix/master.cf:
!  2     127.0.0.1:9998  unix  -       n       n       -       -       spawn
   3       user=nobody argv=/some/where/policy-server
   4 
   5 /etc/postfix/main.cf:
--- 216,222 ----
  <blockquote>
  <pre>
   1 /etc/postfix/master.cf:
!  2     127.0.0.1:9998  inet  n       n       n       -       -       spawn
   3       user=nobody argv=/some/where/policy-server
   4 
   5 /etc/postfix/main.cf:
***************
*** 340,346 ****
  <blockquote>
  <pre>
  1 /etc/postfix/master.cf:
! 2     127.0.0.1:9998  unix  -       n       n       -       -       spawn
  3       user=nobody argv=/usr/bin/perl /usr/libexec/postfix/greylist.pl
  4 
  5 /etc/postfix/main.cf:
--- 340,346 ----
  <blockquote>
  <pre>
  1 /etc/postfix/master.cf:
! 2     127.0.0.1:9998  inet  n       n       n       -       -       spawn
  3       user=nobody argv=/usr/bin/perl /usr/libexec/postfix/greylist.pl
  4 
  5 /etc/postfix/main.cf:
diff -cr /tmp/postfix-2.1.0/src/smtpd/smtpd_check.c ./src/smtpd/smtpd_check.c
*** /tmp/postfix-2.1.0/src/smtpd/smtpd_check.c	Mon Apr 19 15:31:20 2004
--- ./src/smtpd/smtpd_check.c	Mon May  3 11:40:13 2004
***************
*** 2870,2880 ****
  			  (unsigned long) state->msg_size,
  #ifdef USE_SASL_AUTH
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_METHOD,
! 			  state->sasl_method ? state->sasl_method : "",
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_USERNAME,
! 			  state->sasl_username ? state->sasl_username : "",
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_SENDER,
! 			  state->sasl_sender ? state->sasl_sender : "",
  #endif
  			  ATTR_TYPE_END,
  			  ATTR_FLAG_MISSING,	/* Reply attributes. */
--- 2870,2883 ----
  			  (unsigned long) state->msg_size,
  #ifdef USE_SASL_AUTH
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_METHOD,
! 			  var_smtpd_sasl_enable && state->sasl_method ?
! 			  state->sasl_method : "",
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_USERNAME,
! 			  var_smtpd_sasl_enable && state->sasl_username ?
! 			  state->sasl_username : "",
  			  ATTR_TYPE_STR, MAIL_ATTR_SASL_SENDER,
! 			  var_smtpd_sasl_enable && state->sasl_sender ?
! 			  state->sasl_sender : "",
  #endif
  			  ATTR_TYPE_END,
  			  ATTR_FLAG_MISSING,	/* Reply attributes. */