Update high_trust_sender_root_domains.txt

morriscode · web-flow · commit 0aa14e38f543 · 2025-06-17T09:34:43.000-04:00
Adding Yammer.com - owned by MS and sends many notifications, aka Microsoft Viva Engage
diff --git a/high_trust_sender_root_domains.txt b/high_trust_sender_root_domains.txt
@@ -488,6 +488,7 @@ xfinitymobile.com
 xmatters.com
 xoom.com
 xpertsuite.nl
+yammer.com
 yelp.com
 youtube.com
 zendesk.com
