spf

Documentation

Overview

spf is a commandline tool for evaluating spf records.

spf -ip 8.8.8.8 -from steve@aol.com

Result: softfail
Error:  <nil>
Explanation:

If run with the -trace flag it will show the steps take to check the spf record, and if the -dns flag is added it will show all the DNS queries involved.

spf -help
Usage of spf:
  -dns
    	show dns queries
  -from string
    	821.From address
  -helo string
    	domain used in 821.HELO
  -ip string
    	ip address from which the message is sent
  -mechanisms
   	show details about each mechanism
  -trace
    	show evaluation of record