= SPF Antispam =
== SPF DNS Record Validation ==
=== Limits ===
 * Max 10 DNS lookups
 * Max 256 characters
 * Avoid PTR records (depreciated)
=== Validation Tools ===
 * https://www.kitterman.com/spf/getspf3.py
 * https://dmarcian.com/spf-survey/