message_size_limit = 500K
mua_wrapper
never_users = root:0
+panic_coredump
percent_hack_domains =
pipelining_advertise_hosts = *.b.c
pid_file_path = /some/thing
timezone = EDT
tls_advertise_hosts =
trusted_groups = 42
-trusted_users = ${readfile{DIR/aux-fixed/TESTNUM.trusted}{:}}
+trusted_users = ${readfile{DIR/aux-var/TESTNUM.trusted}{:}}
unknown_login = unknownlogin
unknown_username = Exim Testing
untrusted_set_sender = *