Can I create a single image or image-only email?

We do not suggest using a single image or image-only email. The following problems may arise from sending image-only emails: Mail filters will usually block an image-only email as they are a prime tool of bulk spammers If the email is not automatically bounced, the spam filter will often dump it straight into the junk or spam folder Image-only emails can generate spam complaints, high bounce rates and low open