On 05.01.15 11:12, Jeff Potter wrote:
>When running courier compiled with “--without-ipv6”, submit.C still formats 
>the Received headers with brackets around the IP address, like so:
>
>       Received: from mail-qa0-f47.google.com ([209.85.216.47])
>
>Most mail systems format would format it without the brackets in IPv4 cases:
>
>       Received: from mail-qa0-f47.google.com (209.85.216.47)

how did you come to this? looking through my mail, seems that most of
systems does add brackets...

>Our spam filtering software is chocking on the brackets (SpamAssassin’s 
>RDNS_NONE gets triggered).

it's not triggered because of the brackets. It's triggered because your MTA
does not reverse-resolve sender.

my system adds:

Received: from mail-wi0-f172.google.com (mail-wi0-f172.google.com
[209.85.212.172])


>Admittedly, the true fix is getting SpamAssassin to be more tolerant in its 
>parsing.

Maybe you should remove -nodnslookup from TCPDOPTS in your esmtpd file?

-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
If Barbie is so popular, why do you have to buy her friends? 

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