Sam,
I forgot to say on the first scenario without anything aliases, no aliases.dat was created.
Take a look whether /usr/lib/courier/var/tmp exists, owned by the courier user, with mode 770
pgp00000.pgp
Description: PGP signature
Sam,
I forgot to say on the first scenario without anything aliases, no aliases.dat was created.
pgp00000.pgp
Description: PGP signature