Blocking MX query

Jay Ashworth jra at
Tue Sep 4 14:44:41 UTC 2012

----- Original Message -----
> From: "William Herrin" <bill at>

> There are no "good" subscribers trying to send email direct to a
> remote port 25 from behind a NAT. 

Users, like myself, running Linux on home computers and laptops; our local
sendmail-equivalents will in fact attempt direct delivery to remote SMTP MX
servers, and we generally move around enough that setting a smarthost is
semi-impractical, at least on laptops.

I'm a bad subscriber, Bill?

-- jra
Jay R. Ashworth                  Baylink                       jra at
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates         2000 Land Rover DII
St Petersburg FL USA               #natog                      +1 727 647 1274

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