diff -ruN /usr/ports/mail/serialmail/Makefile serialmail/Makefile
--- /usr/ports/mail/serialmail/Makefile	Thu Oct 23 03:42:46 2003
+++ serialmail/Makefile	Fri Aug  6 00:21:26 2004
@@ -26,6 +26,8 @@
 
 ALL_TARGET=	it
 
+OPTIONS=	AUTH "Add CRAM-MD5, PLAIN and LOGIN authentication" OFF
+
 PROGRAMS=	serialqmtp serialsmtp maildirserial setlock
 SCRIPTS=	maildirqmtp maildirsmtp
 MAN1=		maildirqmtp.1 maildirserial.1 maildirsmtp.1 serialqmtp.1 \
@@ -48,4 +50,12 @@
 	cd ${WRKSRC} && ${INSTALL_DATA} ${DOCS} ${DOCSDIR}
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if defined(WITH_AUTH)
+PATCH_SITES=	http://www.ingorohloff.de/soft/
+PATCHFILES=	serialmail-auth.patch
+PATCH_DIST_STRIP=	-p1
+.endif
+
+.include <bsd.port.post.mk>
diff -ruN /usr/ports/mail/serialmail/distinfo serialmail/distinfo
--- /usr/ports/mail/serialmail/distinfo	Wed Jul 28 21:34:36 2004
+++ serialmail/distinfo	Thu Aug  5 23:36:28 2004
@@ -1,2 +1,4 @@
 MD5 (serialmail-0.75.tar.gz) = e6a3049863ae8577b1780fcd9fbc98a9
 SIZE (serialmail-0.75.tar.gz) = 55079
+MD5 (serialmail-auth.patch) = 71eab909047c7151d42ce5bb6757f272
+SIZE (serialmail-auth.patch) = 24469