From c2ca4d1bb05a5c3886b433dc10b2c4d55bfa1f29 Mon Sep 17 00:00:00 2001
From: Michishige Kaito <me@mkaito.com>
Date: Fri, 23 Nov 2018 14:29:23 +0000
Subject: [PATCH] postfix: allow configuring message_size_limit
---
default.nix | 7 +++++++
mail-server/postfix.nix | 4 ++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/default.nix b/default.nix
index db68f2e..58ab271 100644
--- a/default.nix
+++ b/default.nix
@@ -39,6 +39,13 @@ in
description = "The domains that this mail server serves.";
};
+ messageSizeLimit = mkOption {
+ type = types.int;
+ example = 52428800;
+ default = 20971520;
+ description = "Message size limit enforced by Postfix.";
+ };
+
loginAccounts = mkOption {
type = types.loaOf (types.submodule ({ name, ... }: {
options = {
diff --git a/mail-server/postfix.nix b/mail-server/postfix.nix
index cea787f..9ad668a 100644
--- a/mail-server/postfix.nix
+++ b/mail-server/postfix.nix
@@ -76,7 +76,7 @@ let
# see
# https://blog.grimneko.de/2011/12/24/a-bunch-of-tips-for-improving-your-postfix-setup/
# for details on how this file looks. By using the same file as valiases,
- # every alias is owned (uniquely) by its user.
+ # every alias is owned (uniquely) by its user.
# The user's own address is already in all_valiases_postfix.
vaccounts_file = builtins.toFile "vaccounts" (lib.concatStringsSep "\n" all_valiases_postfix);
@@ -135,7 +135,7 @@ in
smtpd_banner = ${fqdn} ESMTP NO UCE
disable_vrfy_command = yes
- message_size_limit = 20971520
+ message_size_limit = ${builtins.toString cfg.messageSizeLimit}
# virtual mail system
virtual_uid_maps = static:5000