A marketing website just isn't complete without an email sign up form. Searches top search engines simultaneously, rewarding sites in the top 10 positions of each engine with TOP10 awards. The web sites with the most TOP10 awards always top search return lists, saving you valuable searching time. Basically all a sig. It could be your own site, an affiliate program, your ezine, your own product or service, or anything else that is important to you.
Some people put full ads and include several different advertisements in their sig.
That's okay too, but having just one or two will give the ads better exposure. The PS - This is one of the most read sections of any letter. Use it to your advantage. Always include a good reason for the recipient to want to click on your link. The following example assumes that you were sending an email to somebody about an unrelated subject.