From c31b9492cef8c8f41074f9c8506f55857a9a15a0 Mon Sep 17 00:00:00 2001
From: Dirk <dirk@testssl.sh>
Date: Sat, 7 Oct 2023 15:06:36 +0200
Subject: [PATCH] Fix regexp in STARTTLS detection

see also #2411, kudo to Geert!
---
 testssl.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testssl.sh b/testssl.sh
index 2a5bdd6..250f7eb 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -2106,7 +2106,7 @@ service_detection() {
           wait_kill $! $HEADER_MAXSLEEP
           was_killed=$?
           head $TMPFILE | grep -aq '^HTTP/' && SERVICE=HTTP
-          [[ -z "$SERVICE" ]] && head $TMPFILE | grep -waq "SMTP|ESMTP|Exim|IdeaSmtpServer|Kerio Connect|Postfix" && SERVICE=SMTP   # I know some overlap here
+          [[ -z "$SERVICE" ]] && head $TMPFILE | grep -Ewaq "SMTP|ESMTP|Exim|IdeaSmtpServer|Kerio Connect|Postfix" && SERVICE=SMTP  # I know some overlap here
           [[ -z "$SERVICE" ]] && head $TMPFILE | grep -Ewaq "POP|Gpop|MailEnable POP3 Server|OK Dovecot|Cyrus POP3" && SERVICE=POP  # I know some overlap here
           [[ -z "$SERVICE" ]] && head $TMPFILE | grep -Ewaq "IMAP|IMAP4|Cyrus IMAP4IMAP4rev1|IMAP4REV1|Gimap" && SERVICE=IMAP       # I know some overlap here
           [[ -z "$SERVICE" ]] && head $TMPFILE | grep -aq FTP && SERVICE=FTP