Spamming of NANOG list members
matt at netfire.net
Thu May 23 21:16:07 UTC 2019
On Thu, May 23, 2019 at 4:13 PM Hansen, Christoffer <
christoffer at netravnen.de> wrote:
> Appreciate the warning!
> On 23/05/2019 19:46, Valerie Wittkop wrote:
> > These messages are not flowing through NANOG servers, nor using the
> NANOG domain. They are not messages coming from the NANOG organization.
> Please be aware if you receive a message matching this description and
> always make sure to scan attachments for a virus.
> The one I received looked like this:
> > From: "NANOG" <service at cegips.pl>
> Has it been considered switching to "-all", instead of only "~all" in
> the spf record?
> > $ dig +short +nocmd +nocomments TXT nanog.org
> > "v=spf1 include:_spf.google.com ip4:18.104.22.168 ip4:22.214.171.124
> ip4:126.96.36.199 ip4:188.8.131.52 ip6:2001:1838:2001:8::19
> ip6:2001:1838:2001:8::20 ip6:2400:cb00:2048:1::6814:c632
> ip6:2400:cb00:2048:1::6814:c732 ~all"
The SPF record wouldn't make a difference since that email was sent from @
cegips.pl, not from @nanog.org. You'd have to change the SPF record for
the cegips.pl domain to impact their ability to send from that address.
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