diff --git a/check-postfix.sh b/check-postfix.sh
index 3f793be..481fc71 100755
--- a/check-postfix.sh
+++ b/check-postfix.sh
@@ -12,6 +12,7 @@ TEST=0
 ## Email addresses
 NOTIFY_EMAIL=recipient@domain.com
 MAIL_FROM=username@domain.net
+FROM_DOMAIN=` echo $FROM_EMAIL | cut -d @ -f 2 `
 DAMAIN=` echo $NOTIFY_EMAIL | cut -d @ -f 2 `
 
 # END: Variables
@@ -38,7 +39,7 @@ do_emergency_email () {
 
 	## Commands to send email manually
 	local -a commands=(
-		"ehlo camtel.net\n"
+		"ehlo $FROM_DOMAIN\n"
 		"mail from: <$MAIL_FROM>\n"
 		"rcpt to: <$NOTIFY_EMAIL>\n"
 		"data\n"