Quick post here as this seems to trivial and so easy but just goes to show even the more sophisticated marketer (like..ahem me) can really botch things up.

I have been sending out emails from my autoresponder (I use Autoresponse Plus), a program I installed on my server, and on one of my campaigns my emails were going to the spam folder.

What was my "little" mistake?

Not having a "reply-to" email address!

I didn't even...