Adding your signature at the end of every email looks quite attractive, more professional.
When it comes out for iPhone you may notice that at the end it is written as Sent from my iPhone which is set by default for apple device users but you can change this boring tag.
You can customize according to your specification, your own details, company name and lot more.
Moreover by having a signature you need not write again and again after every email, once you set signature it automatically attaches at the end of every email.
Follow some of the simple steps to add or create mail signature on your iPhone.