@dominicboston27 wrote:
"The advice you’ll find here is not intended for BT’s consumer customers but for senders of bulk emails to BT customers"
I'm looking to setup a DKIM as a BT customer
That's because BT customers are using the BT servers/domain and they do not need to make any changes to anything as it is all correctly set up for them.
Even although you are a BT customer your are using your own domain so it must comply with BT.
is it possible that the bt server range has increased as I just got a spf fail return because :
5.7.26 not pass with ip: [213.120.69.111].
Hmm, that address is covered by the /24