It is good Netiquette to include a business address. Don't forget to put a physical address.
Physical address because it adds credibility.
If you have a physical address, including it gives your message a lot of credibility because the recipient knows where it came from. This is optional because including it may make the signature lines too long. The signature of an email should be no longer than the body of the message.
It is good internet etiquette to use a business address for professionalism, physical business address for credibility.
Published on May 17, 2015 | 0:27 Seconds | Science and Technology
Email Signature Netiquette introduction. Keywords, graphics, and images.