Currently exim only delivers with a UID and GID as specified in the exim configure file. The exact names for the fields can be specified in the config file. This is the final destination of a mail message. Aliases Aliases are used both for forwarding and aliasing. One address can be forwarded to more than one destination address by repeating the alias entry for each destination.
Aliases can point to other aliases.
The user account takes presedence over the domain specification. A whole domain can be forwarded to a remote account this way. Some rpm'ed versions of mysql for linux does not include the dynamic libraries libmysqlclient.so. This means that the qpopper and exim binaries are going to be much bigger. Their might also be problems when running exim or qpopper.