3 Reasons Not to Send an Introductory Letter to a Federal Hiring Manager

I recently wrote an article “5 Thoughts on Acquiring a Federal Job for Transitioning Military” for the In Military blog. When I had friends review my article, someone asked, “Should I send an introduction letter to a federal hiring manager?”
When it comes to the federal government, I have been both the job hunter and the hiring manager. I worked in the government for 36 years, in active-duty military service and also in the civil service for a second retirement.
During those years, many people called me or sent me unsolicited emails that often contained a resume or a friend’s resume. The sender strongly suggested that I review the resume with the intent to hire the resume’s owner when there was a job vacancy.
Such conversations and emails are not acceptable to me, which cause the following three thoughts: