diff --git a/conf/nginx.conf b/conf/nginx.conf
index 3ba20276..24dd0c34 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,3 +1,7 @@
+## NOTE: This file is automatically generated by Mail-in-a-Box.
+##       Do not edit this file. It will be replaced each time
+##       Mail-in-a-Box needs up update the web configuration.
+
 # Redirect all HTTP to HTTPS.
 server {
 	listen 80;
@@ -9,7 +13,6 @@ server {
 }
 
 # The secure HTTPS server.
-
 server {
 	listen 443 ssl;
 
diff --git a/management/dns_update.py b/management/dns_update.py
index 43c63c10..abba5bc1 100755
--- a/management/dns_update.py
+++ b/management/dns_update.py
@@ -118,10 +118,10 @@ def do_dns_update(env):
 	shell('check_call', ["/usr/sbin/service", "opendkim", "restart"])
 
 	if len(updated_domains) == 0:
-		# if nothing was updated (except maybe DKIM), don't show any output
+		# if nothing was updated (except maybe OpenDKIM's files), don't show any output
 		return ""
 	else:
-		return "updated: " + ",".join(updated_domains) + "\n"
+		return "updated DNS: " + ",".join(updated_domains) + "\n"
 
 ########################################################################
 
diff --git a/management/mailconfig.py b/management/mailconfig.py
index bc5df48d..e2562bdc 100755
--- a/management/mailconfig.py
+++ b/management/mailconfig.py
@@ -91,9 +91,8 @@ def add_mail_user(email, pw, env):
 	shutil.copyfile(utils.CONF_DIR + "/dovecot_sieve.txt", user_mail_dir + "/.dovecot.sieve")
 	os.chown(user_mail_dir + "/.dovecot.sieve", maildirstat.st_uid, maildirstat.st_gid)
 
-	# Update DNS in case any new domains are added.
-	from dns_update import do_dns_update
-	return do_dns_update(env)
+	# Update DNS/web in case any new domains are added.
+	return kick(env, "mail user added")
 
 def set_mail_password(email, pw, env):
 	# hash the password
@@ -114,9 +113,8 @@ def remove_mail_user(email, env):
 		return ("That's not a user (%s)." % email, 400)
 	conn.commit()
 
-	# Update DNS in case any domains are removed.
-	from dns_update import do_dns_update
-	return do_dns_update(env)
+	# Update DNS/web in case any domains are removed.
+	return kick(env, "mail user removed")
 
 def add_mail_alias(source, destination, env):
 	if not validate_email(source, False):
@@ -129,9 +127,8 @@ def add_mail_alias(source, destination, env):
 		return ("Alias already exists (%s)." % source, 400)
 	conn.commit()
 
-	# Update DNS in case any new domains are added.
-	from dns_update import do_dns_update
-	return do_dns_update(env)
+	# Update DNS/web in case any new domains are added.
+	return kick(env, "alias added")
 
 def remove_mail_alias(source, env):
 	conn, c = open_database(env, with_connection=True)
@@ -140,9 +137,19 @@ def remove_mail_alias(source, env):
 		return ("That's not an alias (%s)." % source, 400)
 	conn.commit()
 
-	# Update DNS in case any domains are removed.
+	# Update DNS and nginx in case any domains are removed.
+	return kick(env, "alias removed")
+
+def kick(env, mail_result):
+	# Update DNS and nginx in case any domains are added/removed.
 	from dns_update import do_dns_update
-	return do_dns_update(env)
+	from web_update import do_web_update
+	results = [
+		do_dns_update(env),
+		mail_result + "\n",
+		do_web_update(env),
+	]
+	return "".join(s for s in results if s != "")
 
 if __name__ == "__main__":
 	import sys
diff --git a/management/web_update.py b/management/web_update.py
index d68a279a..e85e0d02 100644
--- a/management/web_update.py
+++ b/management/web_update.py
@@ -31,14 +31,21 @@ def do_web_update(env):
 	for domain in get_web_domains(env):
 		nginx_conf += make_domain_config(domain, template, env)
 
+	# Did the file change? If not, don't bother writing & restarting nginx.
+	nginx_conf_fn = "/etc/nginx/conf.d/local.conf"
+	if os.path.exists(nginx_conf_fn):
+		with open(nginx_conf_fn) as f:
+			if f.read() == nginx_conf:
+				return ""
+
 	# Save the file.
-	with open("/etc/nginx/conf.d/local.conf", "w") as f:
+	with open(nginx_conf_fn, "w") as f:
 		f.write(nginx_conf)
 
-	# Nick nginx.
+	# Kick nginx.
 	shell('check_call', ["/usr/sbin/service", "nginx", "restart"])
 
-	return "OK"
+	return "web updated\n"
 
 def make_domain_config(domain, template, env):
 	# How will we configure this domain.