> Samsung, for example, wouldn't let me spell out the word "samsung" in the email field at all. I wonder if this is, in their mind at least, a sort of phishing

> Samsung, for example, wouldn't let me spell out the word "samsung" in the email field at all. I wonder if this is, in their mind at least, a sort of phishing prevention/deterrent. I also use the [foo-company]@[my-domain] structure, and the number of times a customer service rep has asked me "Oh, do you work for [foo-company]?" is more than I can count.