Am 17.11.2014 um 15:58 schrieb Josh McKee:
6 postmas...@example.com postmaster
7 i...@example.com joe
8 sa...@example.com jane
If the UNIX user "joe" does not exist in the UNIX password file mail
sent to "i...@example.com" is accepted. With the Sendmail configuration
both the left hand side (the virtual e-mail address) and the right hand
side (the UNIX user that is the destination) need to exist or Sendmail
will return a user unknown. Is the normal behavior of Postfix's virtual
configuration using UNIX system accounts to accept an e-mail as long as
it exists on the left hand side of the mapping table?
yes: http://www.postfix.org/DATABASE_README.html
postfix cares only about the lookup key
on the right side you could have a external forwarder you don't know if
it exists and most postfix lookups only care about the left side at all
the above is a configuration error
