Name
Position
phone
website or linked logo

Website and e-mail should be same same domain, especially in SEO and web based businesses. So many people say they are http://www.wegetyoutraffic.xxx and their e-mail address is jow@abc.com. Make sense?

Too much information does not read well if recipient is on their mobile device.
I say never give your cell.
Have your IPPBx or phone system forward to your cell.

Michael Fahey

I personally believe it should be
Name
Title
Phone
Website

No need for e-mail as most can just hit reply..
or look in header.

remember, many people read e-mails on their phones so short and sweet works.
Most people are smart enough to get address from website link.

Here is my own tip to ad:

I’ve been using Wisestamp.com and have had people tell me they like the features. However, I wanted to track how many click-throughs were coming from my signature link. So, I created a unique bit.ly link to track it.