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Old 25th April 2011, 14:58
FractalizeR FractalizeR is offline
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Question PostFix null client and multiple domains (virtual hosting)?


I'm running PostFix on my server in null-client configuration. So postfix is used to send email only. I receive email via external email provider (Yandex mail for domains). I set my domains MX records to point to provider ones.

The problem is that my machine has several domains running on it (with php in fast-cgi configuration). And when PostFix sends email in SMTP session it says something like:

S: 250 Hello, I am glad to meet you
Where username is the name of the system user, that invoked sendmail, and hostname is the hostname of the server.

Body of email message contains a valid email address in headers.

The problem is that many email servers reject emails on MAIL FROM command with invalid email address specified.

How do I correctly set PostFix mapping so that each Linux user had a corresponding email address to be used in SMTP communication?

I've tried to setup mapping in the /etc/aliases file and putting them to alias_map directive of, but somehow it doesn't work.
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