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Re: bcp for rejecting bogus helos incl localhost, localhost.localdomain, 127.0.0.1

From: /dev/rob0 (rob0gmx.co.uk)
Date: Mon Aug 07 2006 - 11:15:10 CDT


On Monday 07 August 2006 11:01, Larry Vaden wrote:
> Thanks to feedback from ya'll we've blocked 18,384 in the first 10:30
> of today's operation. Many of these were hitting other blocks, but
> there's nothing like seeing a reject happen at helo time :)

Like shooting fish in a barrel.

> Aug 6 02:08:11 maytag1 milter-ahead[5406]: 59557 NOQUEUE: sender
> <anonymouslocalhost.localdomain> from RFC2606 reserved domain

1. These are all sender addresses, not HELO's.

2. I'm curious why you're using a milter to do this, when Postfix
   native features[1] can do it as well?

[1] postconf.5.html#reject_unknown_sender_domain
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