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Old 12-02-2005, 08:02 AM   #1
Homer Glemkin
Registered: Nov 2004
Distribution: Ubuntu, CentOS
Posts: 50

Rep: Reputation: 15
Stopping spoofed emails

Is there a setting in Mailscanner or postfix to stop someone from sending from or to an email address the does not exits as a user. example: or These don't exist yet there spoofed and email is sent them.
Old 12-02-2005, 08:13 AM   #2
LQ Newbie
Registered: Jul 2004
Distribution: Gentoo, Debian, Suse, Ubuntu
Posts: 12

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postfix from version 2.0 should return a user unknown error to the sender automatically if the recipient doesn't exist.
Maybe you have sales and info in the aliases file. If a mail ( doesn't have a local recipient, but it is still being delivered, which mailbox is it being delivered to?
Old 12-02-2005, 08:35 AM   #3
Homer Glemkin
Registered: Nov 2004
Distribution: Ubuntu, CentOS
Posts: 50

Original Poster
Rep: Reputation: 15
I see them in the alias file, I will disable them now.
Thank You very much


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