/hosts/ro/usr/spool/exim/db:
total 18
drwxr-x--- 2 exim exim 1024 Mar 7 17:43 .
drwxr-x--- 6 exim exim 1024 Feb 26 16:40 ..
-rw-r----- 1 exim exim 0 Mar 7 17:43 reject.dir
-rw-r----- 1 exim exim 1024 Mar 8 01:01 reject.pag
-rw-r----- 1 exim exim 4096 Mar 7 14:13 retry.dir
-rw-r----- 1 exim exim 4096 Mar 8 10:55 retry.pag
-rw------- 1 exim exim 4096 Feb 28 11:04 wait-smtp.dir
-rw------- 1 exim exim 3072 Mar 8 10:56 wait-smtp.pag
As you see, wait-smtp doesn't have group read. Shouldn't it?