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Old 14th June 2011, 20:11
norby norby is offline
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Default Issue with Creating Virtual Domains with Postfix/ISPConfig

Dear Experts,

Thank you for all the great work you do!

I have a question regarding Virtual Domains for postfix. I followed the following tutorial:


Host: serv1.example.com (
First Domain: site1.com (
Second Domain: site2.com (

Everything is working great, except for one concern. ISPConfig 3 addresses the virtual domains for postfix by creating a table mail_domains. I can confirm that all my domains are listed in the table and also confirmed that postfix is reading from that table (mysql-virtual_domains.cf).

When an email is sent from the Second Domain the email header lists the following information:

Received: from serv1.example.com ([])

From my understanding with virtual domains when sending email from Second Domain the header should read:

Received: from serv1.example.com ([])

What am I forgetting to do?

DNS Info: site1.com

A site1.com.
A mail
A ns1
A www
MX site1.com. mail.site1.com.
NS site1.com. ns1.site1.com.
NS site1.com. ns2.site1.com.
TXT site1.com. v=spf1 a mx ptr -all

DNS Info: site2.com

A site2.com.
A mail
A ns1
A www
MX site2.com. mail.site2.com.
NS site2.com. ns1.site2.com.
NS site2.com. ns2.site2.com.
TXT site2.com. v=spf1 a mx ptr -all

Thank you in advance...
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Old 14th June 2011, 20:24
norby norby is offline
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I posted this message in the wrong thread... I apologize and will be more careful next time... however I don't know how to move a message to another thread...
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Old 14th June 2011, 21:50
till till is offline
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The setup is ok and behaves normally. Postfix always sends from only one ip address if a server has more then one ip address. dns records do not matter here.
Till Brehm
Get ISPConfig support and the ISPConfig 3 manual from ispconfig.org.
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