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Old 10th November 2012, 03:31
garson garson is offline
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Default Postfix delivers mail to non existing virtual user

I have Ubuntu 11.04, Postfix, Dovecot installed.
I've noticed when I send mail from user@mydomain (existing virtual user) to non existing user2@mydomain (non existing virtual user), mail is "delivered", folder user2 is created in
with Maildir in it.

Sending user doesn't get any message that user is unknown.

In mail.log I have found these lines:
postfix/pickup[2214]: 3A38745BCF: uid=33 from=<user@mydomain>
postfix/cleanup[6427]: 3A38745BCF: message-id=<193bdeefafab0d49467989c38614869.squirrel@192.1 68.100.30>
postfix/qmgr[2215]: 3A38745BCF: from=<user@mydomain>, size=676, nrcpt=1 (queue active)
postfix/pipe[6431]: 3A38745BCF: to=<user2@mydomain>, relay=dovecot, delay=0.04, delays=0.02/0/0/0.02, dsn=2.0.0, status=sent (delivered via dovecot service)
postfix/qmgr[2215]: 3A38745BCF: removed

When I send mail from user@gmail.com to non existing user2@mydomain, I get:
SMTP error: 550 5.1.1 <user2@mydomain>: Recipient address rejected: User unknown in virtual mailbox table

How can I resolve this? When I send from user@mydomain to non existing user2@mydomain I should get similar message.

Thanks in advance.
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