Try adding process id to exim get-token credential cache

diff --git a/get-token b/get-token
index 7a77021..2bac468 100755 (executable)
--- a/get-token
+++ b/get-token
@@ -14,7 +14,7 @@ exec >&/tmp/get-token-log.$USER
 whoami
 
 # set the credentials cache
-export KRB5CCNAME=FILE:/tmp/krb5cc_$USER.email
+export KRB5CCNAME=FILE:/tmp/krb5cc_$USER.email.$$
 
 # eliminate any previous tokens
 kdestroy