> For the complete documentation index, see [llms.txt](https://gitbook.nori-zamurai.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.nori-zamurai.com/pentesting-cheatsheets/enumeration/smtp-25.md).

# SMTP (25)

{% embed url="<https://www.hackingarticles.in/4-ways-smtp-enumeration/>" %}

{% embed url="<https://pentestlab.blog/2012/11/20/smtp-user-enumeration/>" %}