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From Benny Pedersen ...@junc.eu>
Subject Re: SPAM from our own domain
Date Mon, 28 Sep 2015 05:42:28 GMT
Tom Robinson skrev den 2015-09-28 07:17:
> Hi Benny,
> 
> thanks for your email.
> 
> On 28/09/15 13:29, Benny Pedersen wrote:
>> Tom Robinson skrev den 2015-09-28 05:02:
>> 
>>> From tenayad@qka.com Thu Sep 24 13:    29:50 2015
>> 
>> is this the envelope sender domain ?
> 
> I believe so. How can I be sure?

grep -i tenayad@qka.com /var/log/syslogfile-for-your-linux-distro

>>> From:    "Incoming Fax" <Incoming.Fax@motec.com.au>
>> 
>> is this unsigned dkim domain ?
>> 
> Sorry to be a noob. What do you mean here?

https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-dkim-with-postfix-on-debian-wheezy
http://serverfault.com/questions/695254/opendkim-milter-with-postfix

i assume you use postfix, but if you use milters it should not matter 
what mta you use opendkim with

>> begin setup spf and dkim signing
> We have a TXT record in DNS for spf. I'm not sure what to do with DKIM.

this a begin, in that case the forged domain sender could be rejected in 
mta if forged

>> use pypolicyd-spf in mta stage
> 
> Is that package going to work with qmail? If it does work with qmail,
> will it install on CentOS 5?

dont know, i use gentoo here

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