..and even if you follow all the best practices you'll just randomly end up blacklisted for what I can only imagine is misguided users clicking on spam. If tha

..and even if you follow all the best practices you'll just randomly end up blacklisted for what I can only imagine is misguided users clicking on spam. If that happens on the wrong email provider you're out of luck. One of the mail servers I have a hand in has been blocked by one of those difficult providers for the past 2 months and we sent them 4 mails/week before the block on average :)