I got an email this morning, quite clearly spam, but I thought I'd check out the link to the "Email Marketing Privacy Policy" - here are a couple of snippets:
<company> is a reputable company who specialise in ... [snip]. We adhere closely to the appropriate conditions of the Data Protection Act and only address email marketing campaigns to businesses and/or organisations that are listed as such in directories and/or can be found through Google searches. We only ever send marketing mails to: [snip] c) organisations & businesses whos contact details can be found on the internet. We are an ethical company who are always pleased to take on comments and feedback and improve our processes, standards and customer service wherever possible. Please do not hesitate to email us if you are unhappy with our email marketing and/or would like to raise an issue with us. You can be assured that your email will receive personal attention and you will receive a personal reply. So I emailed them at "ab...@example.com": 550 Requested action not taken: mailbox unavailable or not local (in reply to RCPT TO command) /Per Jessen, Zürich