From 7c8e3f9dcfee3826dcf04aa3cb99453ba01331d7 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Tue, 1 Apr 2025 13:36:30 +0800
Subject: LMTP configuration update

---
 config.go      | 7 +++++--
 forge.scfg     | 7 +++++++
 lmtp_server.go | 8 ++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/config.go b/config.go
index 7870a63..17ad3e7 100644
--- a/config.go
+++ b/config.go
@@ -32,8 +32,11 @@ var config struct {
 		Execs  string `scfg:"execs"`
 	} `scfg:"hooks"`
 	LMTP struct {
-		Socket  string `scfg:"socket"`
-		MaxSize int64  `scfg:"max_size"`
+		Socket       string `scfg:"socket"`
+		Domain       string `scfg:"domain"`
+		MaxSize      int64  `scfg:"max_size"`
+		WriteTimeout uint32 `scfg:"write_timeout"`
+		ReadTimeout  uint32 `scfg:"read_timeout"`
 	} `scfg:"lmtp"`
 	Git struct {
 		RepoDir string `scfg:"repo_dir"`
diff --git a/forge.scfg b/forge.scfg
index b2a34cd..e788531 100644
--- a/forge.scfg
+++ b/forge.scfg
@@ -83,4 +83,11 @@ lmtp {
 
 	# What's the maximum acceptable message size?
 	max_size 1000000
+
+	# What is our domainpart?
+	domain forge.example.org
+
+	# General timeouts
+	read_timeout 300
+	write_timeout 300
 }
diff --git a/lmtp_server.go b/lmtp_server.go
index 8e574e4..041194e 100644
--- a/lmtp_server.go
+++ b/lmtp_server.go
@@ -11,6 +11,7 @@ import (
 	"log/slog"
 	"net"
 	"strings"
+	"time"
 
 	"github.com/emersion/go-message"
 	"github.com/emersion/go-smtp"
@@ -53,7 +54,14 @@ func (*lmtpHandler) NewSession(_ *smtp.Conn) (smtp.Session, error) {
 }
 
 func serveLMTP(listener net.Listener) error {
+	// TODO: Manually construct smtp.Server
 	smtpServer := smtp.NewServer(&lmtpHandler{})
+	smtpServer.LMTP = true
+	smtpServer.Domain = config.LMTP.Domain
+	smtpServer.Addr = config.LMTP.Socket
+	smtpServer.WriteTimeout = time.Duration(config.LMTP.WriteTimeout) * time.Second
+	smtpServer.ReadTimeout = time.Duration(config.LMTP.ReadTimeout) * time.Second
+	smtpServer.EnableSMTPUTF8 = true
 	return smtpServer.Serve(listener)
 }
 
-- 
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