Re: SPF Record Issue

Roman Gelfand <[email protected]> Mon, 9 Sep 2013 19:22:49 -0400
Newsgroups gmane.mail.spam.spf.discuss
Message-ID <CAJbW+rnu3SCAgfL2zgX70TVHm-w_28Arabu8M1XS00V4yMC7EA@mail.gmail.com>
thanks for all the help.  I still have a couple of questions...

1.  Can you have more than 1 spf txt records for a domain?
2.  What does putting host name before v=spf1 do for us?  is that
somehow used in conjunction with helo?  Can you have multiple host
names separated by spaces before v=spf1?
3.  I am not quite sure what you mean by ...
if they are the same machine then you should investigate and compile a
list of all its ips so that you can pass the common (does helo ==
ip-in-A-of-helo test many receivers perform to weed out bots)
could you give an example.

Thanks again

On Mon, Sep 9, 2013 at 6:07 PM, alan <[email protected]> wrote:
> At 20:36 09/09/2013  Monday, you wrote:
>>Sorry for the bother.  I just realized 24.38.11.24/29 is missing 9.
>>It should have been 24.38.119.24/29
>
> thats what philip said
>
> and as far as the helo
>
> we have now seen that pmx1.unbeatablesale.biz
> is used from 24.187.208.82 and 24.38.119.30
>
> now if they are different machines you should consider using different helo identities for each machine
> both for your own logging/tracing/diagnostics
>
> and so they become more easily identifiable\verifiable\trustable by receivers
>
> if they are the same machine then you should investigate and compile a list of all its ips so that you can pass the common (does helo == ip-in-A-of-helo test many receivers perform to weed out bots)
>
> and so you can have a correct spf for this machine name
> but currently you could start with
>
> pmx1.unbeatablesale.biz v=spf1 ip4:98.136.0.0/14 ip4:24.187.208.80/29 ip4:24.38.119.24/29 ip4:108.58.151.0/29 -all
>
> and weed it down later
>
> btw if the /14 is as it appears to be the entire range of a VPS/cloud provider
> then
> A it will not matter as many receivers will have it blacklisted due to mis-use by others
> B you should if running a mail sending system be able to get a set of static ips for them as all VPSs that allow mail sending do provide this service
>
>
>
>
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