> For the complete documentation index, see [llms.txt](https://docs.secumailer.com/manuals/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.secumailer.com/manuals/appendices.md).

# Appendices

- [Exclaimer](https://docs.secumailer.com/manuals/appendices/exclaimer.md): Additional instructions for configuring Exclaimer to work correctly with SecuMailer.
- [CodeTwo](https://docs.secumailer.com/manuals/appendices/exclaimer-1.md): Additional instructions for configuring CodeTwo to work correctly with SecuMailer.