Defining an Exim4 Router to allow Exim to route mails for virtual domains using custom virtual domains aliases.

350_exim4-config_virtual_aliases

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# router/350_exim4-config_virtual_aliases
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#---------------------------
# This router is added so that we can use this server for multiple domains
# And also be able to define custom aliases for each of these domains...
# NOTE : this router is placed before the system_aliases router so that virtual domain
#        routing takes precedence over system_aliases
#----------------------------
 
#allows for aliases of the sort==> alias@host.com : local_user, other@example.com
 
domains_virtual:
        driver = redirect
        data = ${lookup{$local_part@$domain}lsearch{/etc/exim4/aliases.virtual}}
 
#allows for a special catch-all alias of the sort==> @host.com : local_user, other@example.com
 
domains_virtual_others:
        driver = redirect
        data = ${lookup{@$domain}lsearch{/etc/exim4/aliases.virtual}}
 
 
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# end router/350_exim4-config_virtual_aliases
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