Email signatures can be a great asset for your email communication, but they can also backfire if you make some common mistakes. To ensure your signature is effective, avoid using too many or too large images, adding too many or too long links, and forgetting to update your signature. Images can add visual appeal and personality to your signature, however they can slow down the loading time, take up too much space, or appear as attachments or broken links. Thus, it's important to use images sparingly and optimize them for size and quality. Furthermore, links can be useful to direct your recipients to your website, social media, or other online resources; however they can also clutter your signature, make it look spammy, or trigger the spam filters. Therefore, use links selectively and shorten them with a URL shortener service. Finally, ensure that your signature reflects your current and accurate information and status by updating it whenever necessary.