On Thu, 15 Oct 2009, Matus UHLAR - fantomas wrote:

What are using to filter on HELO-no-dots?

I'm using milter-regex. My sample config is here:

  http://www.impsec.org/~jhardin/antispam/

What is your MTA if it's not sendmail? It may have a similar
capability built in.

On 15.10.09 10:22, Rick Knight wrote:
I'm using Sendmail and I've built it with milter support.

use

FEATURE(`block_bad_helo')

in sendmail.mc

Has it been made easier to exclude netblocks - like your local network - from that check? You don't want to do HELO rejects on mail originating from local network MUAs that are misconfigured.

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