It appears they moved their archives.
--
Edgar Pettijohn
Index: Makefile
===================================================================
RCS file: /cvs/ports/databases/mariadb/Makefile,v
retrieving revision 1.38
diff -u -p -u -r1.38 Makefile
--- Makefile 12 Feb 2016 13:30:38 -0000 1.38
+++ Makefile 21 Sep 2016 01:59:30 -0000
@@ -19,8 +19,8 @@ PKGNAME-tests= mariadb-tests-${VERSION}
REVISION-server= 0
EPOCH= 1
CATEGORIES= databases
-MASTER_SITES= http://mariadb.mirror.iweb.com//${DISTNAME}/source/ \
- http://ftp.osuosl.org/pub/mariadb/${DISTNAME}/source/ \
+MASTER_SITES= http://archive.mariadb.org/${DISTNAME}/source/ \
+
http://ftp.hosteurope.de/mirror/archive.mariadb.org/${DISTNAME}/source/ \
LIB_VERSION= 27
SHARED_LIBS= mysqlclient_r ${LIB_VERSION}.0 \
