# FAQ

- [Could not instantiate mail function - AcyMailing](https://docs.acymailing.com/faq/could-not-instantiate-mail-function.md): A common error but a difficult one to fix without help. Learn how to do it in this article.
- [Spam issue](https://docs.acymailing.com/faq/spam-issue.md): If your emails end up in the spam folder of users that subscribed to your newsletter, these things could help you improve the deliverability.
- [Your send process is slow?](https://docs.acymailing.com/faq/your-send-process-is-slow.md): Here are the things you can improve in order to speed up your send process
- [Compatibility issues](https://docs.acymailing.com/faq/compatibility-issues.md): You will hopefully find here solutions for the most obscure issues that could happen using AcyMailing
- [Mail archive not displaying special characters](https://docs.acymailing.com/faq/mail-archive-not-displaying-special-characters.md): Issue that can happen after version 8.6.0


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# 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:

```
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```

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.