diff --git a/mail/sendmail/Makefile b/mail/sendmail/Makefile
index a7f5c61587..d124420c01 100644
--- a/mail/sendmail/Makefile
+++ b/mail/sendmail/Makefile
@@ -8,10 +8,10 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=sendmail
 PKG_VERSION:=8.18.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME).$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=ftp://ftp.sendmail.org/pub/sendmail
+PKG_SOURCE_URL:=https://ftp.sendmail.org
 PKG_HASH:=cbf1f309c38e4806f7cf3ead24260f17d1fe8fb63256d13edb3cdd1a098f0770
 PKG_MAINTAINER:=W. Michael Petullo <mike@flyn.org>
 
diff --git a/mail/sendmail/files/site.OpenWrt.m4 b/mail/sendmail/files/site.OpenWrt.m4
index 9c485e493a..07734fb76f 100644
--- a/mail/sendmail/files/site.OpenWrt.m4
+++ b/mail/sendmail/files/site.OpenWrt.m4
@@ -1,5 +1,5 @@
 define(`confCC', `TARGET_CC')
 define(`confCCOPTS', `TARGET_CFLAGS')
 APPENDDEF(`confENVDEF',`-DSTARTTLS')
+APPENDDEF(`confENVDEF',`-DHASFLOCK')
 APPENDDEF(`confLIBS', `-lssl -lcrypto')
-