I have no idea why Intuit cannot implement the fix this person has provided for years: This works like a charm:https://bigredconsulting.com/products/summarize-p...
Try removing intuit.com (not sure it's needed) & spf2 (since it's included in the spf1). Just keep your email domain and_spf1.intuit.cominclude:mycustomdomain.c...
I found the _spf1.intuit.com include was duplicating my standard email settings (outlook), causing me to exceed the limit of 10. --- I use GoDaddy as my email p...