diff --git a/firewall b/firewall
index 79f6546..2182815 100755
--- a/firewall
+++ b/firewall
@@ -202,6 +202,7 @@ fw_start() {
 
   #### Mail (rapport d'erreur, ...)
   $IPT -A OUTPUT -j ACCEPT -p tcp -o "${ILAN}" --dport 25 -m state --state NEW -m comment --comment "SMTP out"
+  $IPT -A OUTPUT -j ACCEPT -p tcp -o "${ILAN}" --dport 587 -m state --state NEW -m comment --comment "SMTPS out"
   $IPT -A OUTPUT -j ACCEPT -p tcp -o "${ILAN}" --dport 143 -m state --state NEW -m comment --comment "IMAP out"
   $IPT -A OUTPUT -j ACCEPT -p tcp -o "${ILAN}" --dport 993 -m state --state NEW -m comment --comment "IMAPS out"