1. Email template should use standard CSS for all emails
2. Email addresses should be validated before sending emails
3. Special characters in email body template should be handled properly
4. Language specific characters (e.g. Russian, Chinese or German language characters) should be handled
properly in email body template
5. Email subject should not be blank
6. Placeholder fields used in email template should be replaced with actual values e.g. {Firstname} {Lastname}
should be replaced with individuals first and...