Ever get this message when you click on a link in an email?

Email Scam Alert

Thunderbird thinks this site is suspicious! It may be trying to impersonate the web page you want to visit. Are you sure you want to visit www.democracyinaction.org?

These warnings arise because of the links in a message, and frequently because of the tracking of the clicks for that message. Thunderbird (or Outlook, or whatever) is responding to how that link looks to it, and suspects something bad is going on. It's not, but there are a few things to be aware of when using Salsa, or any email system that tracks click rates for emails.