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Old 9th November 2009, 22:24
marinus marinus is offline
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Question Backup Mail Relay + Spamfilter


I have two Debian Lenny Servers in an ISPConfig 3 multi server setup. I configured server2 to act as a mail backup for server1 using the mail routing feature of ISPConfig 3. The basic setup works fine.

I can also see that mails delivered to server2 are virus scanned on server 2.

Since many spammers seem to prefer a backup (higher DNS MX level) server to deliver their mail I wanted to configure server2 to apply the spam filter before relaying the mail to server1. I tried to add a Spammfilter-User for all users of the routed domain but unfortunatley this was not possible as it seems the Email Pattern needs to be unique across all servers (Error: Duplicate entry '@domain.tld' for key 2), but @domain.tld is already configured as a Spamfilter-User pattern on server1.

Is this a bug or is this configuration just not possible?


Last edited by marinus; 9th November 2009 at 22:27. Reason: Typos, better explaination of issue
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Old 9th November 2009, 23:12
till till is offline
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This is no bug as the configuration you did is not within the normal scope of using ispconfig. But you can remove the duplicate check in the spamfilter_users.tform.php file.
Till Brehm
Get ISPConfig support and the ISPConfig 3 manual from ispconfig.org.
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Old 17th November 2009, 13:54
voltron81 voltron81 is offline
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and if in the backup server I don't want to check email smap and viruses, how can I tell to postfix to pass all the email without check nothing?

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email backup routing spam

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