Localhost Error: invalid_request

Replies: 2

I´m trying to test email sending for my plugin on localhost. I´m using your plugin.
My problem is :

1 – When I clicked on “Allow plugin to send emails using your Google account” I got this :

Error: invalid_request

Invalid parameter value for redirect_uri: Non-public domains not allowed: https://4-9-6-fr.wp-dev/wp-admin/options-general.php?page=wp-mail-smtp&tab=auth

2 – Whan I tried to send an email I got this error details :

Versions:
WordPress: 4.9.7
WordPress MS: No
PHP: 7.0.29
WP Mail SMTP: 1.3.3

Params:
Mailer: gmail
Constants: Yes
Client ID/Secret: Yes
Auth Code: No
Access Token: No

Server:
OpenSSL: Yes
PHP.allow_url_fopen: Yes
PHP.stream_socket_client(): Yes
PHP.fsockopen(): Yes
PHP.curl_version(): Yes
Apache.mod_security: No

Debug:
Mailer: Gmail
cURL error 60: SSL certificate problem: unable to get local issuer certificate (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

How can I resolve this ?