We currently do lookups from the database to determine if a user is valid,
and then use the same lookup to do the actual delivery:
Router:
virtual_domains:
driver = accept
transport = virtual_delivery
domains = lsearch;/usr/exim/virtual_domains
condition = ${lookup pgsql{select maildir from email_account where
id='$local_part@$domain'}{$value}fail}
cannot_route_message = No such user here
no_more
Transport:
virtual_delivery:
driver = appendfile
maildir_format
create_directory
mode = 0600
user = popuser
directory = ${lookup pgsql{select maildir from email_account where
id='$local_part@$domain'}{$value}fail}
delivery_date_add = true
envelope_to_add = true
Is there any way to use a single lookup to accomplish the same thing ?
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