[LINK] RFI: Spam-registration of IP-addresses

Chris Maltby chris at sw.oz.au
Sun Nov 22 13:12:39 AEDT 2020

Hi Roger,

I'm not sure that your xamax.com.au SPF details are good.

xamax.com.au: "v=spf1 *ip4:* +include:retailspf.smtp.com ?all"
retailspf.smtp.com: "v=spf1 ip4: ip4: ~all"

but the sending address at syd.hostingplatform.net.au is
You could try changing the ip4: to ip4:

You might also want to set up a DMARC record so that you can receive
reports of messages that fail SPF/DKIM/ARC checks.

Yahoo is one of the fussiest, but also seems to permit the most real spam...


On 21/11/2020 7:14 am, Roger Clarke wrote:
> If anyone can point me to relevant sources to help me understand and
> address the following problem, I'd be very appreciative!

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