On Thu, May 23, 2019 at 4:13 PM Hansen, Christoffer < christof...@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" <serv...@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 ip4:104.20.199.50 ip4:104.20.198.50 > ip4:50.31.151.75 ip4:50.31.151.76 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" > > -Christoffer > 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.
