Create an email for a professional context using $815$ sentences, including the following components:

$1.$ a subject line: Zero trust training

$2.$ an opening or salutation

$3.$ a developed body of the email with an objective, using one of the four types of written communication $($i$.$e$.,$ transactional, persuasive, informational, or instructional$)$

a$.$ Employ cross$-$cultural communication practices throughout the body of your email.

$4.$ concluding remarks

$5.$ a closing or signature