Go the individual's contact record in Salesforce.Go the the HTML Email Status section.Click Send Email. Click Select Template. Select the template you just created.Preview the email and send it. There you go! You just created and sent an email to an individual contact.
You can use workflow and process builder to send an email alert whenever criteria is meet.
Check below references.
https://help.salesforce.com/articleView?id=customize_wfalerts.htm&type=5
https://automationchampion.com/tag/email-alert-salesforce/
Hope this helps...
Thanks,
Go the individual's contact record in Salesforce.Go the the HTML Email Status section.Click Send Email.
Click Select Template.
Select the template you just created.Preview the email and send it. There you go! You just created and sent an email to an individual contact.