diff --git a/go/internal/network/service.go b/go/internal/network/service.go
index 284f332..a39efcf 100644
--- a/go/internal/network/service.go
+++ b/go/internal/network/service.go
@@ -277,6 +277,9 @@ func (s *serviceImpl) AcceptInvitation(ctx context.Context, networkID, email, hu
 					continue
 				}
 
+				if human.Email == "" || !human.EmailNotificationsEnabled {
+					continue
+				}
 				emailRecipients = append(emailRecipients, human.Email)
 			}
 		}