diff --git a/adguard_full_allowlist.txt b/adguard_full_allowlist.txt
index 8aafa9f..0982760 100644
--- a/adguard_full_allowlist.txt
+++ b/adguard_full_allowlist.txt
@@ -488,3 +488,4 @@ linkin.bio
 mailchi.mp
 hubspotlinks.com
 sendgrid.net
+mandrillapp.com