[AusNOG] outlook.com

[Scott Howard]

scott at zaphod:~$ dig outlook.com txt +short
"v=spf1 include:spf-a.outlook.com include:spf-b.outlook.com ip4:
157.55.9.128/25 include:spf.protection.outlook.com include:spf-a.hotmail.com
include:_spf-ssg-b.microsoft.com include:_spf-ssg-c.microsoft.com ~all"

scott at zaphod:~$ dig spf-a.outlook.com txt +short
"v=spf1 ip4:157.56.232.0/21 ip4:157.56.240.0/20 ip4:207.46.198.0/25 ip4:
207.46.4.128/25 ip4:157.56.24.0/25 ip4:157.55.157.128/25 ip4:157.55.61.0/24
ip4:157.55.49.0/25 ip4:65.55.174.0/25 ip4:65.55.126.0/25 ip4:65.55.113.64/26
ip4:65.55.94.0/25 -all"

[...etc...]

  Scott


On Wed, Oct 7, 2015 at 9:17 PM, Ross Wheeler <ausnog at rossw.net> wrote:

>
>
> Feel silly asking what should be a simple thing to find...
>
> I'm sick of trying to hit a moving target.
> Greylisting is a great tool for reducing certain classes of spam, but when
> some players don't "play nice", we have to do things to reduce the impact.
> Like whitelisting IP addresses of known (legitimate) mail servers.
>
> Outlook publish what claims to be a list of addresses their outbound mail
> will come from here:  https://mail.live.com/mail/ipspace.aspx
>
> Unfortunately, it's wrong. I'm seeing mail being offered from completely
> different IP ranges. So it's either fake, or their list is incomplete, and
> I lean towards the latter.
>
> Their website seems to go to great lengths to NOT put any suitable contact
> points... does anyone either have a "full and complete" list, or a contact
> who might be able to do so?
>
> Yes, I could write a one-liner to find all the addresses from "outlook.com"
> domains from the last months worth of maillogs, but even that would (almost
> certainly) be incomplete.
>
> Thanks.
> R.
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