A sender is recently seeing new or untrusted IP bounces from established
IPs.
Can you contact me off list?
Thanks,
--
Scot Berggren
Staff Deliverability Strategist | Bird | +1 720-320-5365
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We’ve thought about moving to SPF macros for some time, but one thing that
gives me pause is that I don’t know if we can trust the validation mechanism
for every single possible recipient.
Can someone elaborate on challenges/difficulties in macro handling?
--
Brad Beyenhof
Systems Wrangler
Serv
I'm not really seeing any obvious problems with SPF macros at mailbox
providers. It's more that various testing/validation tools haven't
been fully built out to use a proper SPF library or have full support
for anything beyond the most simple SPF configuration.
Maybe others will have evidence to s
