Microsoft recently introduced an email alias feature for the popular Hotmail service which, said honestly, is pretty good. This is different from username+alias (which Hotmail already does do as does Gmail) in the respect it’s a true alias that does not reveal your actual Hotmail username. When you use username+alias, your username is obviously still visible, but not so with true aliases.
If you want to try Hotmail aliases for yourself, login to your Hotmail account, then click this link:
While Hotmail aliases work great, they do not account for your email signature. Any email you compose or reply to using the web-based Hotmail version will obviously include that.
The problem here is that most people tend to forget they most likely placed their primary Hotmail address within their email signature, so if you reply to a mail using an alias and forgot to change or remove your signature, any privacy achieved from the alias is gone at that point.
Should Hotmail have different signatures available for aliases? Yes, it should, but that feature doesn’t exist.
Until the time comes (if ever) that Hotmail has different signatures per alias, you’ll have to remember that when using an alias to manually remove or change your existing signature when composing/replying.
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