New cookbok: How to use the Cloud to send Emails
Fixes and improvements after review
Fix wording and formatting
feature #3234 [Cookbook] New cookbok: How to use the Cloud to send Emails (bicpi)

This PR was submitted for the 2.2 branch but it was merged into the 2.3 branch instead (closes #3234).

Discussion
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[Cookbook] New cookbok: How to use the Cloud to send Emails

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes
| Applies to    | all
| Fixed tickets | -

This is a new cookbook article as proposed in #3193, I hope you like it.

Please let me know if there's something I can improve, especially regarding my English ;-)

Commits
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6bbbc8a Fix wording and formatting
4f7c0f3 Fixes and improvements after review
3490722 [Cookbook] New cookbok: How to use the Cloud to send Emails