Sent from my iPhone,” “Sent from my Nokia,” and the like, You’ve probably seen these lines on countless messages as more people are staying tethered to their mobile devices and using them to send and respond to messages.
Since the percentage of people with these email-laden devices is increasing, mobile carriers and some device manufacturers are increasing the amount of free marketing that they receive by virtue of the fact that these settings are often the default on devices when they ship. Back when smartphones were the exception, I imagine that people touted their ownership with pride and didn’t mind so much that the default tagline was there for all to see. However, as these devices become more pervasive, default signature lines end up doing nothing except tell the recipient that the person responded while on a smartphone.
That said, I personally use the signature line to help recipients understand that any “interesting” autocorrects that might be found in one of my messages are because I’m using a mobile device. However, rather than keeping the default signature, I’ve changed it to read “Sent from my mobile device – please excuse typos.” Now, of course, I keep audience in mind. If I’m sending something to someone sensitive, I reread and correct anything I might find — but if I’m just responding to something quick, I’m in a hurry, and the other end just needs an answer and doesn’t care if its pretty, this signature line is a perfect fit.
So I think you will get a better idea about how to use your custom signature while sending mails from your mobile devices.