Rule to block spoofed email

[Mike]

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>From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
>Behalf Of Darrin
>
>Does anyone have an example of a rule or rules to only allow a specific
>email address from a specified source IP? We are getting a lot of SPAM
>with the sending address of a user on the mail server, this in turn
>white lists the SPAM.

This is why there is SPF: http://spf.pobox.com

If your MTA is SPF/SRS enabled, and the DNS server from your domain published SPF records, then your MTA will block messages of which the sender is someone of your domain, but which uses an IP address that you do not allow.

>Thanks
>--
>Darrin Powell

Mike Klinkert.

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