diff --git a/hackclub.com.yaml b/hackclub.com.yaml
index fa24893e8..5dbd0b5a6 100644
--- a/hackclub.com.yaml
+++ b/hackclub.com.yaml
@@ -27,7 +27,7 @@
       - google-site-verification=g4D9KzvB2JVf_HCcslryBI05oOxVdee9sspmd9pBAaU
       - google-site-verification=2979FUSGCz-WxnW6EukLx_N_Ay31YOyGBnvUSbwHcXc
       - google-site-verification=n9knjT30SgPd80zLKBD6M8fPFGIQUAO5OgfjDsPSrRM
-      - v=spf1 include:_spf.google.com include:mailgun.org include:amazonses.com include:sendgrid.net ~all
+      - v=spf1 include:_spf.google.com include:mailgun.org include:amazonses.com include:sendgrid.net include:spf.mtasv.net ~all
       - stripe-verification=5bdd0e2475b12744bfe1f778ac419f917800d476fd498ae2682ecd161d162c64
 
 ihs: