diff --git a/public/uk/dns-less-email-server-for-the-local-networks.gmi b/public/uk/dns-less-email-server-for-the-local-networks.gmi
index 5029010..ae987db 100644
--- a/public/uk/dns-less-email-server-for-the-local-networks.gmi
+++ b/public/uk/dns-less-email-server-for-the-local-networks.gmi
@@ -33,6 +33,12 @@ apt install dovecot-core dovecot-imapd
 listen = ::
 ```
 
+### /etc/dovecot/conf.d/10-auth.conf
+
+``` /etc/dovecot/conf.d/10-auth.conf
+disable_plaintext_auth = no
+```
+
 ### /etc/dovecot/conf.d/10-master.conf
 
 ``` /etc/dovecot/conf.d/10-master.conf