> For the complete documentation index, see [llms.txt](https://isa-3.gitbook.io/undefined/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://isa-3.gitbook.io/undefined/program/internal-program/mail.md).

# Mail

<details>

<summary>ขั้นตอนการติดตั้ง</summary>

* [Installs mail](/undefined/program/internal-program/mail/installs-mail.md)

</details>