diff --git a/internal/common/email.go b/internal/common/email.go
index e25da1d..b4bbd59 100644
--- a/internal/common/email.go
+++ b/internal/common/email.go
@@ -71,9 +71,9 @@
 		}
 	}
 
-	if cfg.CertValidation {
-		return e.Send(hostname, auth)
+	if cfg.TLS {
+		return e.SendWithStartTLS(hostname, auth, &tls.Config{InsecureSkipVerify: !cfg.CertValidation})
 	} else {
-		return e.SendWithStartTLS(hostname, auth, &tls.Config{InsecureSkipVerify: true})
+		return e.Send(hostname, auth)
 	}
 }