On 15/01/07, Emmanuel Stapf [ES] <manus@???> wrote: > Hi,
>
> I've migrated our mail server from exim 4.01 on RH 7.2 to exim 4.63 on FC6 and
> found out that mails sent to `firstname.lastname@???' were rejected on
> the new server but not on the old one. The configuration for exim is pretty much
> the same.
Perhaps the exact definition of 'pretty much' might be significant here?
>
> Is exim responsible of the mapping `firstname.lastname' to `username'? Where
> should I look for?
It might be in an aliases file. An LDAP directory. A MySQL table.
Loads of places, in fact. Look for a 'redirect' router.
> For info it is failing in the following router:
>
> localuser:
> driver = accept
> check_local_user
> transport = lmtp_delivery
> cannot_route_message = Unknown user
A debug delivery using the old config will tell you what router is
responsible for resolving the address. It's probably using an external
data source of some kind.