# Emails & reminders

### Scheduled E-Mail reminders

\
OpenCATS can send out E-Mail reminders for calendar events before they happen.\
To enable this feature, configure cron or another scheduling daemon to\
invoke QueueCLI.php every minute. An example crontab line would look like:

```
* * * * * /usr/local/bin/php /var/www/html/opencats/QueueCLI.php
```

Or,

```
* * * * * curl http://mysite.com/QueueCLI.php > /dev/null
```

### Email configuration problems

If you are seeing 'SSL Socket errors' then it's really a problem with the underlying PHPMailer application that handles SMTP Emails.. 

`Warning: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in C:\wamp64\www\CATS\lib\phpmailer\class.smtp.php on line 369`  

Please check <https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting#certificate-verification-failure>

You can skip verification of the ssl certificate by using the below:

```
$mail->SMTPOptions = array(
    'ssl' => array(
        'verify_peer' => false,
        'verify_peer_name' => false,
        'allow_self_signed' => true
    )
);
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://documentation.opencats.org/how-tos/reminder-emails.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.