[plug] re: Email rules
blinken at gmail.com
Wed Feb 20 22:07:58 WST 2008
On Feb 20, 2008 9:39 AM, Jon L. Miller <jlmiller at mmtnetworks.com.au> wrote:
> It is only from the outside that this rule needs to be applied. If I send
> an e-mail that originated from a remote location from me to me then I want
> this to be quarantined as the only time these users are using this system
> is from inside.
I think SPF does something similar to this - you specify using a
special DNS record on your domain what mail servers are permitted to
send mail for your domain. If your system receives a message from a
mailserver that is not listed in the From: address domain's SPF
record, it will do something with it.
'Something' can be dropping it, flagging it, giving it an extra point
in spamassassin, etc.
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