Translate chapter 21 to spanish

[marcelozarate]

What type of PR is this? (check all applicable)

• ♻️ Refactor
• ✨ Feature
• 🐛 Bug Fix
• 👷 Optimization
• 📝 Documentation Update
• 🚩 Other

Description

Related Tickets & Documents

Added to documentation?

• 📜 readme
• 🙅 no documentation needed

[optional] What gif best describes this PR or how it makes you feel?

[what-the-diff]

PR Summary

• Introduction of New Guide
  This update provides a new file 021-how-to-send-emails-with-bash.md. It's a tutorial on how to send emails using Bash and SSMTP from a Ubuntu 18.04 server.

• Comprehensive Information
  The guide offers detailed information about necessary prerequisites, how to install SSMTP, how to set it up, and how to use it for sending emails. It also illustrates how to send attachments using a utility called mpack.

• Conclusion and Additional Resources
  The guide concludes with a summary of the procedure and references the official documentation for more in-depth information. This ensures the user has access to a broader set of information if needed.