From 6ef92d07b38af74dd4cfbc8428adb58d17dcec8a Mon Sep 17 00:00:00 2001
From: Edi Septriyanto <me@masedi.net>
Date: Wed, 4 May 2022 09:31:49 +0700
Subject: [PATCH] Fix remove sendmail

---
 scripts/install_mailer.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/install_mailer.sh b/scripts/install_mailer.sh
index fd13034..244aa32 100755
--- a/scripts/install_mailer.sh
+++ b/scripts/install_mailer.sh
@@ -39,6 +39,13 @@ function install_postfix() {
     if [[ ${DO_INSTALL_POSTFIX} == y* || ${DO_INSTALL_POSTFIX} == Y* ]]; then
         echo "Installing Postfix Mail-Transfer Agent..."
 
+        if [[ -n $(command -v sendmail) ]]; then
+            echo "Remove existing sendmail install..."
+            run service sendmail stop && \
+            run update-rc.d -f sendmail remove && \
+            run apt-get remove -qq -y sendmail
+        fi
+
         run apt-get install -qq -y mailutils postfix
 
         # Configure Postfix.