Tag
#spf
Sender Policy Framework — the DNS record naming who may send as your domain. Expect the ten-lookup limit, nested includes that quietly blow past it, PermError diagnosis, and the difference between -all and ~all.
1 discussion
Tag
Sender Policy Framework — the DNS record naming who may send as your domain. Expect the ten-lookup limit, nested includes that quietly blow past it, PermError diagnosis, and the difference between -all and ~all.
1 discussion