This means these messages must contain a valid return email address and a mechanism for allowing people to unsubscribe (amongst other things).
A simple link in each email allows recipients to unsubscribe from future mailings.
If you want to put him on your web site that is a business decision for you, but if you put the sort of guff he has written in newspapers into your subscription email I will probably unsubscribe .
It's become one of many mailing lists to which I really should unsubscribe , because although I continue to receive the messages, I delete them almost immediately.
Spamming is an honorable profession, and all spammers live by the credo that everyone should have the right to unsubscribe from future mailings.
Therefore, I have come to the conclusion that I will need to unsubscribe from some of the different newsletters I am signed up with and not work on those issues so much.
After empathising with this post about information overload the other day, it occurred to me that maybe I should unsubscribe from from one RSS feed a day in an effort to simplify my life a tiny bit.
In terms of the unsubscribe, it really just means providing an acknowledged way that people can unsubscribe from your electronic message in future, if they wish to do so.
Most well-known software companies are happy to obey the wishes of their customers, if they want to unsubscribe from a mailing list.
When the recipient tries to unsubscribe , the spammer discovers that the recipient's e-mail address is valid and active.