[wplug] postfix question

Bill Moran wmoran at potentialtech.com
Tue May 3 13:37:06 EDT 2005


Brandon Kuczenski <brandon at 301south.net> wrote:

> This should be a FAQ, I think, but I can't figure out how to phrase it 
> properly for the search engines.  It concerns a rare but recognizable 
> form of UCE.
> 
> I got an email whose sender address purported to be 
> <a_valid_local_user>@301south.net.  The smtpd_reject_unlisted_sender 
> parameter will reject <not_a_valid_local_user>@301south.net but if Spammy 
> uses a valid username, this test will fail.  So I want to only accept mail 
> from known users @301south.net if
>   a) the mail is sent from localhost, or
>   b) the mail is sent from a SASL authenticated smtp session.
> 
> My smtpd_sender_restrictions looks like this:
> 
> smtpd_sender_restrictions = permit_sasl_authenticated
>                              permit_mynetworks

You need to add "reject" to the end of the list.

> What is the config tool for this?

Huh?

-- 
Bill Moran
Potential Technologies
http://www.potentialtech.com


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