Right. The first time I noticed the issue, I sent email to my landlord at the time (who was an older guy, a police officer and not all that technically-inclined). He saw my gmail username and somehow thought it was my last name. I thought I was sending him an email from "<firstname>@<lastname>.com"

But yeah, I don't care if someone can open up the headers and trace it back to gmail. I don't want (a) people getting confused; and (b) to have to reveal my gmail address every time I send mail with their client.