I have followed the howtoforge tutorial :
Now I have a problem with emails for my main server. Well as you know in order to create email addresses, you'd have to create a mail domain then a mail box. So I go to ISPConfing and create a mail domain mydomain.tld and then go create a mail box firstname.lastname@example.org
All good so far, and I can log into squirrelmail, which means the mysql record has been successfully created.
The problem is with receiving email at this address. When i email this address I says: <email@example.com>: unknown user 'admin' and here's the report:
Reporting-MTA: dns; mydomain.tld
X-Postfix-Sender: rfc822; firstname.lastname@example.org
Arrival-Date: Sun, 17 May 2009 13:52:50 +0000 (UTC)
Final-Recipient: rfc822; email@example.com
Diagnostic-Code: X-Postfix; unknown user: "admin"