From 2b5095b0b25b5e2d64c77024a472bbb3a3e71708 Mon Sep 17 00:00:00 2001
From: Aine <aine@etke.cc>
Date: Tue, 6 Sep 2022 22:03:10 +0300
Subject: [PATCH] add note about interface

---
 smtp/msa.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smtp/msa.go b/smtp/msa.go
index feb6158..887ed66 100644
--- a/smtp/msa.go
+++ b/smtp/msa.go
@@ -10,7 +10,7 @@ import (
 	"gitlab.com/etke.cc/go/logger"
 )
 
-// msa is mail submission agent
+// msa is mail submission agent, implements smtp.Backend
 type msa struct {
 	log    *logger.Logger
 	domain string