> For the complete documentation index, see [llms.txt](https://docs.emaillabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emaillabs.io/en/guides/technical-aspects-of-emails-and-integration.md).

# Technical Aspects of Emails and Integration

- [Impact of Content Encoding on DKIM Authentication](https://docs.emaillabs.io/en/guides/technical-aspects-of-emails-and-integration/impact-of-content-encoding-on-dkim-authentication.md)
- [Message Statuses – What Do They Mean and How to Use Them?](https://docs.emaillabs.io/en/guides/technical-aspects-of-emails-and-integration/message-statuses-what-do-they-mean-and-how-to-use-them.md)