From f4af7975d3cb2f01d26c581ad72cd30d569fdbbd Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Sun, 28 Aug 2022 18:53:41 +0200
Subject: [PATCH] Pass-through ISUPPORT LINELEN

Can be used by the server to indicate support for a greater message
size limit.
---
 downstream.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/downstream.go b/downstream.go
index 9497052..a091f93 100644
--- a/downstream.go
+++ b/downstream.go
@@ -279,6 +279,7 @@ var passthroughIsupport = map[string]bool{
 	"HOSTLEN":       true,
 	"INVEX":         true,
 	"KICKLEN":       true,
+	"LINELEN":       true,
 	"MAXLIST":       true,
 	"MAXTARGETS":    true,
 	"MODES":         true,