diff --git a/interface/web/admin/templates/server_config_mail_edit.htm b/interface/web/admin/templates/server_config_mail_edit.htm
index 752bc22da27e8d819f3fdc52da31c3f58b5c8d2a..fb399e18a8d037e2c0ada8570042975e5aae3add 100644
--- a/interface/web/admin/templates/server_config_mail_edit.htm
+++ b/interface/web/admin/templates/server_config_mail_edit.htm
@@ -57,11 +57,11 @@
             </div>
             <div class="ctrlHolder">
                 <label for="relayhost_user">{tmpl_var name='relayhost_user_txt'}</label>
-                <input name="relayhost_user" id="relayhost_user" value="{tmpl_var name='relayhost_user'}" size="40" maxlength="255" type="text" class="textInput formLengthHalf" />
+                <input name="relayhost_user" id="relayhost_user" value="{tmpl_var name='relayhost_user'}" size="40" maxlength="255" type="text" class="textInput formLengthHalf" autocomplete="off" />
             </div>
             <div class="ctrlHolder">
                 <label for="relayhost_password">{tmpl_var name='relayhost_password_txt'}</label>
-                <input name="relayhost_password" id="relayhost_password" value="{tmpl_var name='relayhost_password'}" size="40" maxlength="255" type="password" class="textInput formLengthHalf" />
+                <input name="relayhost_password" id="relayhost_password" value="{tmpl_var name='relayhost_password'}" size="40" maxlength="255" type="password" class="textInput formLengthHalf" autocomplete="off" />
             </div>
             <div class="ctrlHolder">
                 <label for="mailbox_size_limit">{tmpl_var name='mailbox_size_limit_txt'}</label>