Index: head/mail/Makefile
===================================================================
--- head/mail/Makefile
+++ head/mail/Makefile
@@ -540,6 +540,7 @@
     SUBDIR += py-flufl.bounce
     SUBDIR += py-fuglu
     SUBDIR += py-libgmail
+    SUBDIR += py-managesieve3
     SUBDIR += py-milter
     SUBDIR += py-notmuch
     SUBDIR += py-ppolicy
Index: head/mail/py-managesieve3/Makefile
===================================================================
--- head/mail/py-managesieve3/Makefile
+++ head/mail/py-managesieve3/Makefile
@@ -0,0 +1,23 @@
+# $FreeBSD$
+
+PORTNAME=	managesieve3
+PORTVERSION=	1.1
+CATEGORIES=	mail python
+MASTER_SITES=	CHEESESHOP
+PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+
+MAINTAINER=	loader@FreeBSD.org
+COMMENT=	Implements an RFC-5804 Manage Sieve client
+
+LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/LICENSE.txt
+
+USES=		python
+USE_PYTHON=	autoplist distutils
+
+NO_ARCH=	yes
+
+do-test:
+	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
+
+.include <bsd.port.mk>
Index: head/mail/py-managesieve3/distinfo
===================================================================
--- head/mail/py-managesieve3/distinfo
+++ head/mail/py-managesieve3/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1534131565
+SHA256 (managesieve3-1.1.tar.gz) = 7c43f23d8d0c83b6aaae93a0f661cef9c4657bbc90cc7c9cf37e775150c021ab
+SIZE (managesieve3-1.1.tar.gz) = 15106
Index: head/mail/py-managesieve3/pkg-descr
===================================================================
--- head/mail/py-managesieve3/pkg-descr
+++ head/mail/py-managesieve3/pkg-descr
@@ -0,0 +1,4 @@
+A pure Python client implementation of "A Protocol for Remotely
+Managing Sieve Scripts", as defined in RFC-5804.
+
+WWW: https://bitbucket.org/ericvsmith/managesieve3