I've been using mblaze 1.3 for a week or two with the below patch,
which just deletes everything in patches/ (all are upstream) and
updates DISTNAME, REVISION, distinfo.

-- 
James


diff /usr/ports
commit - 83548194a42d7f57da82615fe837c246d5393768
path + /usr/ports
blob - 2a9d003a311615d75ac4fa2882fb02f2437527a1
file + mail/mblaze/Makefile
--- mail/mblaze/Makefile
+++ mail/mblaze/Makefile
@@ -1,7 +1,6 @@
 COMMENT =	set of Maildir utilities
 
-DISTNAME =	mblaze-1.2
-REVISION =	1
+DISTNAME =	mblaze-1.3
 CATEGORIES =	mail
 
 HOMEPAGE =	https://git.vuxu.org/mblaze/
blob - 551fa018c9d62d14c7b43b73c1481bef4c047578
file + mail/mblaze/distinfo
--- mail/mblaze/distinfo
+++ mail/mblaze/distinfo
@@ -1,2 +1,2 @@
-SHA256 (mblaze-1.2.tar.gz) = UMFkyIzIO09SaRNB7hQGDaWm8YWehqpz/1ld5LQQA38=
-SIZE (mblaze-1.2.tar.gz) = 99578
+SHA256 (mblaze-1.3.tar.gz) = 2yx73DfrL2rAcmMjKx1w1zPt+nCc3vh9tjquxP5k2jw=
+SIZE (mblaze-1.3.tar.gz) = 102829
blob - abc75342ca8c00e55cc134d8995163d7887b2360
file + /dev/null
--- mail/mblaze/patches/patch-man_mmime_1
+++ /dev/null
@@ -1,20 +0,0 @@
-allow to relax body line length limit; backport of
-https://git.vuxu.org/mblaze/commit/?id=e951b0ba27f878e4daa09c59a89e8f5196e31e07
-
-Index: man/mmime.1
---- man/mmime.1.orig
-+++ man/mmime.1
-@@ -46,6 +46,13 @@ Override Content-Type for the toplevel part.
- Defaults to
- .Sq Li multipart/mixed .
- .El
-+.Sh ENVIRONMENT
-+.Bl -tag -width Ds
-+.It Ev MBLAZE_RELAXED_MIME
-+If set,
-+.Ic Nm Fl c
-+will relax the body line length check and only consider bodies with lines
-+longer than 998 characters need to be MIME formatted.
- .Sh EXIT STATUS
- .Ex -std
- .Sh SEE ALSO
blob - 6eda42f6e139f9c0e7242e111dd5eb0bb90a8166
file + /dev/null
--- mail/mblaze/patches/patch-mdeliver_c
+++ /dev/null
@@ -1,19 +0,0 @@
-mrefile or mdeliver -M needs fattr for utimes(2), backport of
-https://git.vuxu.org/mblaze/commit/?id=9d66764
-
-Index: mdeliver.c
---- mdeliver.c.orig
-+++ mdeliver.c
-@@ -355,7 +355,11 @@ usage2:
- 	if (argc != optind+1)
- 		goto usage2;
- 
--	xpledge("stdio rpath wpath cpath", "");
-+	xpledge("stdio rpath wpath cpath fattr", "");
-+	if (!preserve_mtime && !Mflag) {
-+		/* drop fattr */
-+		xpledge("stdio rpath wpath cpath", "");
-+	}
- 
- 	targetdir = argv[optind];
- 
blob - 948cdae136c8ba93e50ab2c266b4ab6c91fa0960
file + /dev/null
--- mail/mblaze/patches/patch-mmime_c
+++ /dev/null
@@ -1,23 +0,0 @@
-allow to relax body line length limit; backport of
-https://git.vuxu.org/mblaze/commit/?id=e951b0ba27f878e4daa09c59a89e8f5196e31e07
-
-Index: mmime.c
---- mmime.c.orig
-+++ mmime.c
-@@ -517,6 +517,7 @@ check()
- 	off_t linelen = 0;
- 	off_t maxheadlinelen = 0;
- 	off_t maxbodylinelen = 0;
-+	off_t bodylinelenlimit = getenv("MBLAZE_RELAXED_MIME") ? 998 : 78;
- 
- 	int c;
- 	int l = -1;
-@@ -554,7 +555,7 @@ check()
- 	}
- 
- 	if (bitlow == 0 && bithigh == 0 &&
--	    maxheadlinelen < 998 && maxbodylinelen <= 78 &&
-+	    maxheadlinelen < 998 && maxbodylinelen <= bodylinelenlimit &&
- 	    l == '\n')
- 		return 0;
- 	else
blob - ddef96825e43c06edfc2ef92033681226e47318d
file + /dev/null
--- mail/mblaze/patches/patch-t_1000-mmime_t
+++ /dev/null
@@ -1,29 +0,0 @@
-allow to relax body line length limit; backport of
-https://git.vuxu.org/mblaze/commit/?id=e951b0ba27f878e4daa09c59a89e8f5196e31e07
-
-Index: t/1000-mmime.t
---- t/1000-mmime.t.orig
-+++ t/1000-mmime.t
-@@ -2,7 +2,7 @@
- cd ${0%/*}
- . ./lib.sh
- 
--plan 17
-+plan 19
- 
- cat <<EOF >tmp
- References: <aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@a> <bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb@b> <ccccccccccccccccccccccccccccccc@c>
-@@ -124,3 +124,13 @@ Subject: inclusion without further content
- EOF
- 
- check 'no empty parts are generated after inclusion lines' '! mmime <tmp2 | mshow -t - | grep -q size=0'
-+
-+cat <<EOF >tmp2
-+Subject: Strict mode
-+
-+Body with lines longer than 78 characters
-+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-+EOF
-+
-+check 'body lines longer than 78 characters needs MIME formatting' '! mmime -c <tmp2'
-+check 'MBLAZE_RELAXED_MIME allows body lines longer than 78 characters' 'MBLAZE_RELAXED_MIME= mmime -c <tmp2'