What's the deal with recruiter email that has a from field with a different name than the person writing the message? Something like, "From: Bob Williams" Hi,

What's the deal with recruiter email that has a from field with a different name than the person writing the message? Something like, "From: Bob Williams" Hi, this is Stacey Fink from techwaveconsult.com... ...bla bla... This happens a lot on LinkedIn, too. Am I the only person who gets these?