You may receive this automatic reply after sending an email. This message tells you that your email wasn't sent to the intended recipient because the spam filter thinks it is a spam email.

This email starts with "This is the mail system at host" and looks like this:

You can flag this as incorrect so the spam filter won't block future emails you send.

Step 1

Click on the link at the bottom of the email.

Step 2

On this page, click on the orange Not Spam button.

Step 3

Try sending your email again. This solution won't take effect immediately, but it will ensure that the spam filter starts learning how to process your emails.