diff -urN ../exim-4.86.orig/src/EDITME ./src/EDITME
--- ../exim-4.86.orig/src/EDITME	2015-07-24 00:20:37.000000000 +0300
+++ ./src/EDITME	2015-09-15 00:29:15.000000000 +0300
@@ -633,7 +633,7 @@
 # AUTH_DOVECOT=yes
 # AUTH_GSASL=yes
 # AUTH_GSASL_PC=libgsasl
-# AUTH_HEIMDAL_GSSAPI=yes
+AUTH_HEIMDAL_GSSAPI=yes
 # AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi
 # AUTH_PLAINTEXT=yes
 # AUTH_SPA=yes
@@ -650,6 +650,7 @@
 # AUTH_LIBS=-lsasl2
 # AUTH_LIBS=-lgsasl
 # AUTH_LIBS=-lgssapi -lheimntlm -lkrb5 -lhx509 -lcom_err -lhcrypto -lasn1 -lwind -lroken -lcrypt
+AUTH_LIBS=-lgssapi -lheimntlm -lkrb5 -lhx509 -lcom_err -lgssapi_krb5 -lasn1 -lwind -lroken -lcrypt
 
 
 #------------------------------------------------------------------------------