SPF Question

[kristenstangelo]

Mxtoolbox is able to identify SPF records for two of our subdomains however google is stating the SPF success rate is 0% for these two subdomains. Is there something we need to do on marketo's end for google to find the SPF record for these two subdomains? 

[SanfordWhiteman · Accepted solution]

Domains used only the in the From: header will never pass or fail SPF, because the SPF record for From: addresses is never looked up.

SPF is only looked up for the MAIL FROM: domain, a.k.a. envelope sender.

(Of course, you haven’t said exactly where you’re using this subdomain.)