SPF: Difference between revisions

better command documentation
mNo edit summary
 
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If you just want to use the MX records and A records to control who is valid, then <code>"v=spf1 mx a -all"</code> is the text record that works.  This [http://www.spfwizard.net/ wizard] can help.  Once you're done, you can check on things with  
If you just want to use the MX records and A records to control who is valid, then <code>"v=spf1 mx a -all"</code> is the text record that works.  This [http://www.spfwizard.net/ wizard] can help.  Once you're done, you can check on things with  


; Check the MX records
; Check the MX (Mail Exchanger) records for example.com
<code>nslookup -query=mx</code>  
<code>nslookup -query=mx example.com</code>  
; Check records for example.com using Google's nameserver
; Check records for example.com using Google's nameserver
<code>nslookup example.com 8.8.8.8</code>  
<code>nslookup example.com 8.8.8.8</code>