links for 2008-02-09

• Email Authentication Resources
  MailChimp offers a breakdown of what ISPs and receivers are using which types of authentication.
  (tags: deliverability authentication senderid domainkeys spf)
• Creating e-mail surveys that work :: BtoB Magazine
  Melissa Read believes managers send surveys too often, causing respondents to burn out on the novelty of providing feedback. Eventually, she said, they’ll stop responding.
  (tags: survey)
• Don't Be an Accidental Spammer - Strategies for Successful Email Marketing
  One person's valued information may be another person's spam. You know your list is truly opt-in, but people are so sensitive these days that you risk being branded as a spammer even if you believe you've done nothing wrong.
  (tags: spam)