This script could be used to send welcome mail for each newly created mailbox in Microsoft Exchange 2010. This script allows you to use an .html file as a template. You can use placeholders in this template file. This script allows you to replace these placeholders when the script is being executed.
In a real world, IT administrators are always required by human resource department to send welcome mail to each new employee. A welcome mail to a new employee who has accepted your job offer confirms the employee's decision to accept the position. It will save the new employee some feelings of insecurity and avoids misunderstandings.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery