SPF test with -all
In this test I've added the SPF for my custom domain as follows:
v=spf1 include:_spf.protonmail.ch mx -all
The key thing that could make mail fail is the (-all)
Also inserted an image to make it more realistic.
In this test I've added the SPF for my custom domain as follows:
v=spf1 include:_spf.protonmail.ch mx -all
The key thing that could make mail fail is the (-all)
Also inserted an image to make it more realistic.