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I'm trying to setup deliver as an LDA for system users. I've read http://wiki.dovecot.org/LDA/Sendmail which handles virtual users. I don't see a README for what I need. I want sendmail to accept the mail and then hand off to deliver with sieve plugin. Deliver should look in the users home directory which is found in /etc/passwd for the sieve-script to see what to do with it.