AuthRealm.p0 revision 285303 
1Patch from John Marshall (slightly modified).
2
3diff --git a/sendmail/srvrsmtp.c b/sendmail/srvrsmtp.c
4index 7dba983..bf804ab 100644
5--- a/sendmail/srvrsmtp.c
6+++ b/sendmail/srvrsmtp.c
7@@ -84,7 +84,7 @@ static int reset_saslconn __P((sasl_conn_t **_conn, char *_hostname,
8 # define RESET_SASLCONN	\
9 	do							\
10 	{							\
11-		result = reset_saslconn(&conn, AuthRealm, remoteip, \
12+		result = reset_saslconn(&conn, hostname, remoteip, \
13 					localip, auth_id, &ext_ssf); \
14 		if (result != SASL_OK)				\
15 			sasl_ok = false;			\
16@@ -938,8 +938,6 @@ smtp(nullserver, d_flags, e)
17 	e->e_features = features;
18 	hostname = macvalue('j', e);
19 #if SASL
20-	if (AuthRealm == NULL)
21-		AuthRealm = hostname;
22 	sasl_ok = bitset(SRV_OFFER_AUTH, features);
23 	n_mechs = 0;
24 	authenticating = SASL_NOT_AUTH;
25@@ -948,8 +946,8 @@ smtp(nullserver, d_flags, e)
26 	if (sasl_ok)
27 	{
28 # if SASL >= 20000
29-		result = sasl_server_new("smtp", AuthRealm, NULL, NULL, NULL,
30-					 NULL, 0, &conn);
31+		result = sasl_server_new("smtp", hostname, AuthRealm, NULL,
32+					 NULL, NULL, 0, &conn);
33 # elif SASL > 10505
34 		/* use empty realm: only works in SASL > 1.5.5 */
35 		result = sasl_server_new("smtp", AuthRealm, "", NULL, 0, &conn);
36@@ -5392,7 +5390,7 @@ reset_saslconn(sasl_conn_t **conn, char *hostname,
37 
38 	sasl_dispose(conn);
39 # if SASL >= 20000
40-	result = sasl_server_new("smtp", hostname, NULL, NULL, NULL,
41+	result = sasl_server_new("smtp", hostname, AuthRealm, NULL, NULL,
42 				 NULL, 0, conn);
43 # elif SASL > 10505
44 	/* use empty realm: only works in SASL > 1.5.5 */
45