Index: contrib/dma/dma.h
===================================================================
--- contrib/dma/dma.h	(revision 333428)
+++ contrib/dma/dma.h	(working copy)
@@ -60,6 +60,7 @@
 #endif
 #define	SMTP_PORT	25		/* Default SMTP port */
 #define CON_TIMEOUT	(5*60)		/* Connection timeout per RFC5321 */
+#define MAX_LINE_RFC822 1000		/* Max line length per RFC822 */
 
 #define STARTTLS	0x002		/* StartTLS support */
 #define SECURETRANS	0x004		/* SSL/TLS in general */
Index: contrib/dma/local.c
===================================================================
--- contrib/dma/local.c	(revision 333428)
+++ contrib/dma/local.c	(working copy)
@@ -126,7 +126,7 @@
 deliver_local(struct qitem *it)
 {
 	char fn[PATH_MAX+1];
-	char line[1000];
+	char line[MAX_LINE_RFC822];
 	const char *sender;
 	const char *newline = "\n";
 	size_t linelen;
@@ -207,7 +207,7 @@
 	while (!feof(it->mailf)) {
 		if (fgets(line, sizeof(line), it->mailf) == NULL)
 			break;
-		linelen = strlen(line);
+		linelen = strnlen(line, sizeof(line));
 		if (linelen == 0 || line[linelen - 1] != '\n') {
 			syslog(LOG_CRIT, "local delivery failed: corrupted queue file");
 			snprintf(errmsg, sizeof(errmsg), "corrupted queue file");
Index: contrib/dma/mail.c
===================================================================
--- contrib/dma/mail.c	(revision 333428)
+++ contrib/dma/mail.c	(working copy)
@@ -41,8 +41,6 @@
 
 #include "dma.h"
 
-#define MAX_LINE_RFC822	1000
-
 void
 bounce(struct qitem *it, const char *reason)
 {
Index: contrib/dma/net.c
===================================================================
--- contrib/dma/net.c	(revision 333428)
+++ contrib/dma/net.c	(working copy)
@@ -352,7 +352,7 @@
 deliver_to_host(struct qitem *it, struct mx_hostentry *host)
 {
 	struct authuser *a;
-	char line[1000];
+	char line[MAX_LINE_RFC822];
 	size_t linelen;
 	int fd, error = 0, do_auth = 0, res = 0;
 
@@ -452,7 +452,7 @@
 	while (!feof(it->mailf)) {
 		if (fgets(line, sizeof(line), it->mailf) == NULL)
 			break;
-		linelen = strlen(line);
+		linelen = strnlen(line, sizeof(line));
 		if (linelen == 0 || line[linelen - 1] != '\n') {
 			syslog(LOG_CRIT, "remote delivery failed: corrupted queue file");
 			snprintf(errmsg, sizeof(errmsg), "corrupted queue file");