diff --git a/applications/luci-pbx-voicemail/root/etc/pbx-voicemail/pbx-msmtprc-defaults.TEMPLATE b/applications/luci-pbx-voicemail/root/etc/pbx-voicemail/pbx-msmtprc-defaults.TEMPLATE
index ea50b3ca29..a4456b8f87 100644
--- a/applications/luci-pbx-voicemail/root/etc/pbx-voicemail/pbx-msmtprc-defaults.TEMPLATE
+++ b/applications/luci-pbx-voicemail/root/etc/pbx-voicemail/pbx-msmtprc-defaults.TEMPLATE
@@ -1,5 +1,5 @@
 defaults
 auth             |AUTH|
+tls_certcheck    off
 tls              |TLS|
-tls_trust_file   /etc/ssl/certs/ca-certificates.crt